• Sunday

    — International Astronomical Union (IAU), Botswana International University of Science and Technology (BIUST),
    Kasane, Botswana
    At Wild View Resorts, 80 President Avenue, to bring together Africa’s astronomy and space science community alongside global collaborators, to create an exceptional platform for networking, collaboration,...

    Monday

    — National Academies of Sciences, Engineering, Medicine,
    Washington DC, USA
    Explore the latest developments and discuss the future of the space science from a variety of perspectives, from planetary protection to astrophysics to Earth science and applications...
    — JPL, National Aeronautics and Space Administration (NASA),
    Online
    38th Annual Planetary Science Summer School (PSSS) is a 3-month early career experience at Jet Propulsion Laboratory in Pasadena CA for grad-level students, post docs, faculty members,...
    — Access Intelligence LLC,
    Washington DC, USA
    Satellite industry "first and largest experience of the year" with 15,000+ registrants and 450+ exhibitors — uniting commercial innovators, government / military decision-makers, and end-users from 110+​...
    $149
    — Munich Aerospace, Institut für Technik Intelligenter Systeme (ITIS, Institute for Intelligent Systems Technology),
    Munich, Germany
    Merging two space events into one: Munich New Space Summit and Munich Satellite Navigation Summit, March 23-25 focusing on former, Mach 25-27 on latter, with March 25...
    €300

    Tuesday

    — National Aeronautics and Space Administration (NASA), Roscosmos State Corporation,
    Low Earth Orbit (LEO)
    Roscosmos Progress-33 cargo craft to dock at ISS approximately 13:34 UTC | 09:34 EDT | 03:34 HST after launch from Baikonur Cosmodrome. Live coverage beginning 11:45 UTC...
    — Atlantic Council,
    Online / Washington DC, USA
    A conversation focusing on international space collaboration and commercial space innovation, to explore priorities, partnerships, and long-term visions among top space agencies, space enterprises, and the telecommunication...
    — International Astronautical Federation (IAF),
    Paris, France
    At Newcap Event Center, 3 Quai de Grenelle, 15th arrondissement, near the Eiffel Tower and Porte de Versailles; Includes a Global Networking Forum and Distinguished Service Award...

    Wednesday

    — Meridian International Center,
    Washington DC, USA
    As space becomes increasingly multipolar, commercialized and contested, the need for international cooperation has never been greater. Meridian’s Space Diplomacy Forum: Shared Horizons will convene diplomats, international...
    — SpaceFund,
    Washington DC, USA
    Reception at Florida House, 16:30-18:30 EDT and Industry Gathering at The Pierce School 19:00+ EDT for attendees of SatShow Week, March 23-26, 2026. Reception RSVP at https://www.zeffy.com/en-US/ticketing/florida-space-forum-with-spacefund...
    — Spaceport Norway,
    Oslo, Norway
    Guest is University of Oslo Professor Svein-Erik Hamran, who built RIMFAX, the first radar ever to operate on the surface of another planet. He is now developing...
    — Alba Orbital,
    Glasgow, Scotland
    9th annual conference addressing development of "pico" satellites, providing forum for collaboration among industry and academia. At Glasgow University Union (GUU), 32 University Avenue. Tour of Alba...
    €86 – €130

    Thursday

    — Universities Space Research Association (USRA), Space Policy Institute (SPI) of George Washington University,
    Online / Washington DC, USA
    Annual symposium on Science Priorities, Readiness, and Enterprise Integration, at Holiday Inn on the National Mall, 550 C Street SW, at 13:00-17:30 EDT (07:00-11:30 HST) and online,...
    — Lunar Surface Innovation Consortium (LSIC), Johns Hopkins University Applied Physics Lab (JHU-APL),
    Online
    LSIC Surface Power Focus Group online discussion of dust-toleration connectors for lunar surface applications. Jorge Núñez, from Johns Hopkins Applied Physics Laboratory (JHU-APL), will present an overview...
    — International Academy of Astronautics (IAA),
    Paris, France
    The Moon naturally shields electromagnetic waves generated by human activities on Earth and around it, results in a silence zone on and above its Farside, called Shielded...

    Friday

    — British Interplanetary Society (BIS),
    London, United Kingdom
    17:30 UT, in person and online, this event brings together leading women from across the space industry to explore the milestones shaped by women and the pathways...
    — American Institute of Aeronautics and Astronautics (AIAA),
    Houston TX, USA
    Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given for 1st, 2nd and 3rd place papers...

    Saturday

    — Kennedy Space Center Visitor Complex,
    Kennedy Space Center Visitor Complex FL, USA
    A never-before-seen Artemis experience on the bottom floor of Space Shuttle Atlantis. This exclusive exhibition immerses you in the story, scale and ambition of Artemis II.  Created...

    Sunday

    — American Astronautical Society (AAS),
    Online
    Convening July 26-30 at Hilton Whistler Resort & Spa in Whistler, British Columbia, Canada, the conference welcomes technical papers spanning all areas of astrodynamics and space-flight mechanics...

    Monday

    — International Space University (ISU),
    Washington DC, USA
    Washington DC-area US Alumni Association features Marcella Kneppers and Bastiaan van den Berg. Kneppers is Kingdom of the Netherlands Senior Advisor for Innovation, Science, and Technology at...
    — UzCosmos National Space Agency of Uzbekistan,
    Tashkent, Uzbekistan
    5th annual event, expecting 500+ attendees and 40+ speakers, discussing space and satellite business among space agencies and industry. At InterContinental Hotel, 2 Shakhrisabz Street in Trilliant...
    £995 – £1195

    Tuesday

    — Commercial Space Federation (CSF), SpaceNews,
    Online
    A conversation on the energy and computing needs driving the push toward orbital data centers. No cost, registration required. With Star Catcher CEO Andrew Rush, and Foundation...
    — Indian Space Research Organisation (ISRO),
    Satish Dhawan Space Center, ~14°N, Sriharikota, India
    Earth-observing satellite to geostationary orbit above India. Expected to be 5th successful launch of GSLV Mk II.
    — American University in Dubai (AUD), United Arab Emirates Space Agency (UAESA),
    Dubai, United Arab Emirates
    At campus of the American University in Dubai (AUD), 15:00-18:00 UTC+4, organized by Armen V. Papazian, Visiting Professor of Space Economics to share United Arab Emirates' vision...
  • Wednesday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    For U.S. spacewalk 95, planned for April, two NASA Astronauts (yet to be named) will prepare the station’s 3B power channel for a future solar array installation....
    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Commemorations occur today in honor of 1st ever NASA Space Shuttle Columbia carrying John Young and pilot Robert Crippen around Earth on 54.5-hour mission in 1981.
    — National Aeronautics and Space Administration (NASA),
    SLC-39B, ~29°N, Kennedy Space Center FL, USA
    Launch window 18:24-20:24 EDT (12:24-14:24 HST) for crew of 4 in Orion spacecraft on Moon flight to last 10-14 days; 3 USA and 1 Canada Astronaut: Commander...
    — United Launch Alliance (ULA),
    SLC-41 (~28°N), Cape Canaveral SFS FL, USA
    NET Apr — Launch Atlas V / Starliner: Next launch of Starliner crew vehicle set to occur "early 2026", unknown whether craft will carry crew on this...
    — Landspace,
    Jiuquan Space Launch Center, ~41°N, Gansu, China
    2nd orbital launch, attempt for booster recovery, by commercial launch firm Landspace of China; follows successful 1st orbital launch of Zhuque-3 stainless steel methalox rocket
    — Space Faculty, Crimson Education,
    Online
    Majoring in STEM is popular among Singapore students, but university admissions do not evaluate all applicants equally! Join Crimson Education & Space Faculty Singapore for advice. 19:00...
    — Centre National D’études Spatiales (CNES), European Space Agency (ESA),
    Bordeaux, France
    Winners of the local hackathons will compete for international semi-finals and finals. This event takes place every two years and is currently preparing its 6th edition. Last...

    Thursday

    — Full Moon,
    Moon Orbit
    02:12 UTC (14:12 HT)
    — National Aeronautics and Space Administration (NASA),
    Online
    NASA Postdoctoral Program offers US and international scientists the opportunity to advance their research while contributing to NASA’s scientific goals. The NPP supports fundamental science; explores the...

    Friday

    — Kennedy Space Center Visitor Complex,
    Kennedy Space Center Visitor Complex FL, USA
    Yuri’s Night joins Kennedy Under the Stars to host the official East Coast flagship event, 18:00 EDT (entry at 17:00). Yuriʻs Night honors the first human in...
    US$65

    Saturday

    — Comet C / 2026 A1 (MAPS),
    Deep Space
    Predicted date for the comet to make a close pass by the Sun (perihelion), potentially triggering a sudden brightening and dramatic tail. If it survives the encounter,...

    Tuesday

    — SpaceX,
    Starbase, 25.9°N, Boca Chica TX, USA
    12th flight overall of the two-stage Starship vehicle, but first of bigger / more-powerful Version 3 / V3, with higher thrust for both the Super Heavy booster...
    — Defense Strategies Institute,
    Washington DC, USA
    Positioning, Navigation, Timing -- foundational for space / lunar missions. Two days of networking, candid discussion, and collaboration for practical insights on the advancement and development of...
    Free

    Wednesday

    — SpaceX,
    SLC-40 (~28°N), Cape Canaveral SFS FL, USA
    Set for 08:51 EDT (02:51 HST), 24th flight of Orbital ATK uncrewed supply craft and 23rd to ISS under Commercial Resupply Services contract with NASA; booster will...

    Friday

    — Hawai'i, USA,
    Statewide Hawai’i, USA
    Recognized proclamation to celebrate the first-ever imaged black hole M87* by Event Horizon Telescope collaboration involving Mauna Kea Observatories, given the Hawaiian name Pōwehi; imaged in April 2017 and...

    Saturday

    — The SpaceKind Foundation, Griffith Observatory,
    Los Angeles CA, USA
    No-cost, all-day, family-friendly event at Griffith Observatory featuring Astronauts Jannicke Mikkelsen and Ron Garan. A special ticketed feature presentation is at 7pm followed by a VIP reception...

    Sunday

    — Yuri's Night,
    Worldwide
    Launching parties around the world every year on or around April 12th, in commemoration of Yuri Gagarin becoming the first human to venture into space on April...
    — American Institute of Aeronautics and Astronautics (AIAA),
    College Park MD, USA
    Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given for 1st, 2nd and 3rd place papers...

    Monday

    — American Society of Civil Engineers (ASCE), Texas A&M University,
    College Station TX, USA
    20th International Conference on Engineering, Science, Construction and Operations in Challenging Environments: ASCE Earth & Space 2026
    — Space Foundation,
    Colorado Springs CO, USA
    Theme: Building Capacity Through Innovation and Collaboration. Expecting 10,000+ registrants, 247 exhibitors, 24 space agencies, 1500+ organizations. At The Broadmoor Hotel & Cheyenne Mountain Resort. Access to...
    Free
    — Space Faculty,
    Singapore
    For undergraduates in STEM-related courses. At Singapore Institute of Technology (SIT)
    — United Nations Office of Outer Space Affairs (UNOOSA),
    Vienna, Austria
    65th session of the UN COPUOS Legal Subcommittee (LSC). Informal meetings and consultations are expected to take place on April 13-14 and April 23-24, surrounding the main...

    Tuesday

    — California Polytechnic State University (Cal Poly),
    San Luis Obispo CA, USA
    At Performing Arts Center San Luis Obispo. 3 Day Professional Pass (Includes Admission & Networking Dinner): Early Bird Registration**  - $450 (ends Febuary 1st) Regular Registration - $550...
    — American Institute of Aeronautics and Astronautics (AIAA),
    Online
    Comprehensive course covering basic launch vehicle avionics systems engineering, and design processes and principles. Instructor is George N. Andrew; 15 classroom hours / 1.5 CEU-PDH; online via...
    US$495

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Edwards CA, USA
    At NASA Armstrong flight Research Center, for companies, government agencies and organization to explore collaboration opportunities in advanced research and technology development with NASA. 08:00-16:00 PDT on...
    — Johns Hopkins University Applied Physics Lab (JHU-APL),
    Laurel MD, USA
    AIAA secret/NOFORN event covering the strategic, programmatic, and technical topics and policy issues pertaining to the aerospace and defense community.

    Thursday

    — American Institute of Aeronautics and Astronautics (AIAA),
    Wichita KS, USA
    Applied Aerodynamics, Aircraft Design, Design Engineering and Flight Test Technical Committees of AIAA all pitch in to call forth enthusiastic creativity from the next generation. College-student teams...

    Saturday

    Sunday

    — The Planetary Society,
    Washington DC, USA
    Annual advocacy event that connects space advocates with their members of Congress in Washington D.C.

    Monday

    — International Academy of Astronautics (IAA), Italian Space Agency (ASI),
    Montecatini, Italy
    A platform for a fruitful discussion of fundamental problems and practical issues, exchange of research results and ideas in space biology and medicine, including: – Analogue Environments...
    €100 – €700

    Tuesday

    — Comet C/1861 G1 (Thatcher),
    Worldwide
    Best seen from Northern Hemisphere, with a lower hourly rate in the Southern Hemisphere, Lyrids seem to stream from the Constellation Lyra. They actually derive from the...

    Wednesday

    — Earthlight Foundation,
    Online
    Exploring the intersection of space innovation and planetary stewardship, from 12:00-14:00 EDT / UTC-4; no cost but registration required at https://docs.google.com/forms/d/e/1FAIpQLSd2yLblO6EqWkVLaCtst5oMSbSdwDAq3_WiuUW5fMOwStqb2Q/viewform
    — Johns Hopkins University Applied Physics Lab (JHU-APL),
    Laurel MD, USA
    The goal of this workshop is to bring together interdisciplinary scientists to discuss outstanding science questions about Io -- the most volcanically active world in the Solar...
    — Solar System Exploration Research Virtual Institute (SSERVI), National Aeronautics and Space Administration (NASA),
    Online
    This online-only Lunar Surface Science Workshop (LSSW) session will share results from the first NASA CLPS missions, provide updates on upcoming deliveries, and discuss lessons learned. No...

    Friday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft with 2.4-meter diameter main telescope begins 37th year in space today, launched Apr 24, 1990; could continue operations until 2040s.
    — China National Space Administration (CNSA),
    China (Zhongguo)
    Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.

    Saturday

    — United Launch Alliance (ULA),
    SLC-41 (~28°N), Cape Canaveral SFS FL, USA
    First test after ULA Vulcan rocket launching from Florida on February 12, 2026, took a spacecraft to GSO but suffered an anomaly in one of the four...

    Sunday

    Monday

    — Sophia Centre for the Study of Cosmology in Culture, University of Wales Trinity Saint David, Yildiz Technical University,
    Istanbul, Türkiye
    Planned topics include star and constellation myth and imagery; modern and ancient astronomy of China, India, Central Asia, West Asia, North Africa, the Eastern Mediterranean and Europe.

    Tuesday

    — Lunar Surface Innovation Consortium (LSIC), Johns Hopkins University Applied Physics Lab (JHU-APL),
    Multiple Locations
    April 28 meeting will be hosted at the Johns Hopkins University Bloomberg Center, 555 Pennsylvania Ave NW, Washington DC, and April 29 / 30 events will be...
    — American Institute of Aeronautics and Astronautics (AIAA), Johns Hopkins University,
    Online
    Online short course on Rendezvous and Proximity Operations (RPO), critical for crew transfer, in-space assembly and space debris removal, among other uses. Instructor is Pradipto Ghosh; 12...
    US$1595 – US$1795

    Wednesday

    — World Innovation Network, Space Rising,
    Phoenix AZ, USA
    Space Tank hope to ignite innovation in space by having entrepreneurs / inventors / designers / engineers describe their start-up business, for the purpose of receiving support...
    $125
  • Friday

    — International Space Day,
    Worldwide
    First Friday in May, events and presentations to promote STEM education and inspire people to continue the work of Space explorers; originally began as ‘National Space Day’...
    — International Lunar Observatory Association (ILOA Hawai'i),
    Scarsdale NY, USA
    Wendy Crumrine to present "First Women on the Moon" to Scarsdale High School (SHS) students, marking another Galaxy Forum for the SHS Centennial Plaque.
    — Full Moon,
    Moon Orbit
    17:24 UTC (07:24 HST).

    Saturday

    — Maunakea Observatories, University of Hawai'i Institute for Astronomy,
    Hilo HI, USA
    Family-friendly free event, 10:00-16:00 HST at Prince Kūhiō Plaza shopping center, to educate and entertain about astronomy and space, with >30 organizations hoping to inspire next-generation science...

    Sunday

    — International Astronomical Union (IAU), International Academy of Astronautics (IAA), United Nations Office of Outer Space Affairs (UNOOSA),
    Hong Kong, China
    More than 570 abstracts were received, 14 plenary and 51 invited speakers span 9 themes, and 58 early career astrophysicists have received travel grants for this Asia...
    — European Geosciences Union,
    Vienna, Austria
    Includes Lunar Session for discussion of the latest advancement in lunar science, exploration and sustainable utilization, including the deep interior, subsurface structure, surface morphology, up to atmospheric...
    Free – €765

    Monday

    — Luxembourg Space Agency,
    Luxexpo, Luxembourg
    Hosted annually in Luxembourg, Space Resources Week is organised by the European Space Resources Innovation Centre (ESRIC), in collaboration with the European Space Agency (ESA), the Luxembourg...
    — ESA Conference Bureau,
    Forte Village, Sardinia, Italy
    Authors are invited to contribute to this year’s theme Swarming the Skies, Soaring Beyond: from VLEO to Deep Space. As in the tradition of the 4S Symposium, the...

    Tuesday

    — NordSpace,
    Ottawa, Ontario, Canada
    With theme Building a Spacefaring Nation, expects ~400 attendees with added technical content track; at Canada Aviation and Space Museum.

    Monday

    Tuesday

    — Lunar and Planetary Institute (LPI), Universities Space Research Association (USRA),
    Tempe AZ, USA
    At Arizona State University in Tempe, Arizona, participants will receive theoretical and practical training in preparation of samples, EBSD data acquisition, and data processing for planetary samples....

    Wednesday

    — Mechanisms Education Association,
    Huntsville AL, USA
    At Von Braun Center. The Thursday night banquet will be held in the Space & Rocket Center, under a Saturn V launch vehicle. Pre-event courses on May...
    — International Academy of Astronautics (IAA),
    Nottingham, United Kingdom
    The workshop will bring together engineers, scientists and policy experts to advance the field of planetary sunshades. At University of Nottingham.

    Thursday

    — China National Space Administration (CNSA),
    Utopia Planitia, 25.1°N 109.9°E, Mars Surface
    Tianwen-1 Lander and Zhurong Rover celebrated today for China's first successful landing on Mars; craft landed on this day in 2021 in Utopia Planitia, Mars Surface.
    — Kennedy Space Center Visitor Complex, Astronaut Scholarship Foundation (ASF), Delaware North,
    Kennedy Space Center Visitor Complex FL, USA
    With many NASA Astronauts, including Bob Cabana, Bernard Harris, Joan Higginbotham, Barbara Morgan, Tom Akers and Joe Tanner; Induction Ceremony & Gala at Kennedy Space Center; talks,...

    Saturday

    — American Institute of Aeronautics and Astronautics (AIAA),
    The Plains VA, USA
    At Great Meadow equestrian center and conservation park. Student teams who have designed, built and launched their rockets into the Top 100 will compete for the title...

    Monday

    Tuesday

    Thursday

    — China National Space Administration (CNSA),
    Earth-Moon L2 Lagrange point
    China Queqiao “bridge of magpies” satellite reaches 8 full years / enters 9th year in space today, launched 2018 to provide far side communications to Earth from...

    Monday

    — USA Congress,
    Nationwide USA
    NASA Artemis program to land 1st Woman and Person of Color on Moon is well underway as today is recognized for Kennedy declaring to congress “I believe that...
    — International Astronomical Union (IAU),
    Yerevan, Armenia
    Theme "Democratizing Astronomy Communication in the era of accessible Artificial Intelligence" will bring together astronomy communicators from around the world, both online and in-person in Armenia. At...
    Free

    Tuesday

    — von Karman Institute for Fluid Dynamics,
    Brussels, Belgium
    Organized by the von Karman Institute for Fluid Dynamics, the 32nd AIAA/CEAS Aeroacoustics Conference (Aeroacoustics 2026) is the premier international forum dedicated to aeroacoustics research and innovation....
    €475

    Wednesday

    — RX Japan GK,
    Tokyo, Japan
    "Bridging Japan and the World's Space Business", visitors are invited to discover innovations, network, collaborate, and get educated about the latest advancements in space. At Tokyo Big...

    Saturday

    — Full Moon,
    Moon Orbit
    22:46 HST // 08:46 UTC on May 31.

    Sunday

  • Monday

    — Rocket Lab,
    Launch Complex 1, ~39°S, Mahia Peninsula, New Zealand
    Launch Electron / Venus probe: Independent mission to Venus developed by Rocket Lab and MIT to send tiny probe flying in atmosphere for 5 minutes at altitude 48-60...
    — China National Space Administration (CNSA),
    Apollo Basin, 153.99° W 41.63° S, Moon Surface
    Chang'E-6 mission is commemorated, having landed on this day in 2024, and returning the first-ever samples from the lunar farside to Earth.

    Tuesday

    — International Astronautical Federation (IAF), Rwanda Space Agency (RSA),
    Kigali, Rwanda
    Uniting Space and Earth for Climate Resilience. The conference will bring together the international community, space agencies, industry, government, academia and NGOs, and representatives of non-space sectors...
    — South African Radio Astronomy Observatory (SARAO), ZA Space, Hauweng, Advanced Business Events,
    Pretoria, South Africa
    Expecting 300 exhibitors, 500 companies, 25 countries, 3,000 B2B (business to business) meetings
    — Space Resources Roundtable (SRR),
    Golden CO, USA
    As it has done since 1999, this conference will bring together world experts from space agencies, research organizations, academia, the space private sector, the mining supply chain,...

    Thursday

    — American Astronautical Society (AAS),
    Monterey VA, USA
    Design-build-launch competition for space-related topics open to teams from universities and colleges. Teams must be able to design and build a space-type system, following the approved competition...

    Friday

    Monday

    — Universities Space Research Association (USRA), Lunar and Planetary Institute (LPI),
    Houston TX, USA
    Running until August 15, 10-week paid summer academy for analytical and laboratory skills in planetary sample science. At LPI, near NASA Johnson.
    — American Institute of Aeronautics and Astronautics (AIAA),
    San Diego CA, USA
    The only aviation event that covers the entire integrated spectrum of aviation business, research, development and technology. At Manchester Grand Hyatt.

    Tuesday

    — Canadian Astronomical Society (CASCA),
    Montréal, Quebec, Canada
    We are delighted to invite you to the Canadian Astronomical Society's Annual General Meeting, CASCA 2026: MIL-ion Futures of Astrophysics, taking place from June 9-11, 2026 at the Université de...

    Saturday

    Monday

    — American Institute of Aeronautics and Astronautics (AIAA), Experimental Sounding Rocket Association (ESRA),
    Midland TX, USA
    IREC isn’t just a competition, it’s a launchpad for innovation and careers. This year, 175 teams have successfully applied and been accepted to participate in the 2026...

    Tuesday

    — Lunar Calendar,
    Worldwide
    New Year 1 Muharram (1st day) to begin at sunset on Jun 16; if young New Moon is not visible the beginning of the month and year...

    Sunday

    — European Lunar Sympsoium (ELS) Organizers, Open University, Solar System Exploration Research Virtual Institute (SSERVI),
    Nancy, France
    Annual international conference that brings together around 200 researchers, engineers, and professionals working on lunar science and exploration. Hosted each year in a different European city, ELS...

    Monday

    — Spaceland, Italy, Space Summits,
    Rome, Italy
    Meeting is dedicated entirely to the latest developments in all Astronomy, Astrophysics and Space Science related themes. The conference will highlight particular areas of promising technological development,...

    Tuesday

    Thursday

    — SatCom Industry Association (SIA-India),
    New Delhi, India
    Theme is Pioneering Innovations in Space Technology: India’s Journey towards Global Partnerships; key topics include entrepreneurship, legal aspects, lunar exploration. 850+ participants expected from 36+ countries, for...
    $100 – $275

    Saturday

    Monday

    — Instituto de Astrofísica e Ciências do Espaço (IA), Observatoire Côte D'Azur, France,
    Porto, Portugal
    Exoplanet research is experiencing exciting times. Space missions and cutting-edge ground-based instruments are continually uncovering new populations of planets and enabling their detailed characterization. Along with advancements...
    — European Astronomical Society (EAS),
    Lausanne, Switzerland
    At Swiss Tech Convention Centre. Sessions include: Exoplanets and the Galactic Environment, Planet Formation, How to Deal with Interference from Satellite Constellations.
    ₣310 – ₣700

    Tuesday

    — Asteroid Foundation,
    Worldwide
    UN-Sanctioned annual, global asteroid awareness program supporting thousands of independently organized events, providing educational resources; held on June 30, the anniversary of the Tunguska event in 1908...
    — Space Renaissance International (SRI),
    Online
    Online event held every 5 years, keynote speakers include SRI president Bernard Foing, Michelle Hanlon, Madhu Thangavelu, Frank White, Rick Tumlinson, Giuseppe Reibaldi. SRI is now an...
  • Wednesday

    — Japan Aerospace Exploration Agency (JAXA),
    Asteroid 98943 Torifune Trajectory
    JAXA Hayabusa 2 mission to flyby S-type asteroid 98943 Torifune this month and rendezvous with asteroid 1998 KY26 in 2031, after returning samples from (162173) Ryugu to...
    — SpaceX,
    SLC-39A, ~29°N, Kennedy Space Center FL, USA
    NET Q3 — Under US$77.5M NASA CLPS contract, IM 3rd mission using Nova-C, to Reiner Gamma ‘lunar swirl’ 7.5°N, 59.0°W with 4 NASA payloads: Lunar Vertex, CADRE, MoonLIGHT retroreflector, LUSEM; various private payloads.
    — Space Age Publishing Company (SPC), Interstellar University LLC,
    Topeka KS, USA
    Hosted at the Kansas State Capitol Building, invited participants will advance the long-range vision of an Interstellar University in the Ad Astra State; email to learn more.

    Friday

    Saturday

    — China National Space Administration (CNSA),
    Near-Earth Object (NEO)
    China asteroid sample return mission, to arrive at Kamo’oalewa today to collect at least 100 grams via anchoring-drilling, hover-sampling and touch-and-go techniques; planned to depart Apr 24,...

    Sunday

    — Space Age Publishing Company (SPC),
    Global / Inter-Global
    Jul 5 — Space Age Publishing Company (SPC), Global / Inter-Global: SPC, publisher of Space Calendar and Lunar Enterprise Daily, observes 50 years since inception and looks towards the next 50 years of...
    — International Astronomical Union (IAU), International Society for the Study of the Origins of Life - The International Astrobiology Society (ISSOL),
    Paris, France
    Those in fields of chemistry, biology, planetary science and astrophysics are invited to explore the origins of life and habitability on Earth and beyond. The program will...

    Monday

    — Sun-Earth,
    Global / Inter-Global
    Occurs 07:30 HST / 17:30 UTC; Earth aphelion is the point in its elliptical orbit where it is farthest from the Sun, occurring annually in early July;...
    — International Astronomical Union (IAU), International Society for the Study of the Origins of Life - The International Astrobiology Society (ISSOL),
    Paris, France
    Bringing together experts in chemistry, biology, planetary science and astrophysics to explore the origins of life and planetary habitability on Earth and beyond. At Museum National d'Histoire...
    €110 – €620

    Wednesday

    — European Space Agency (ESA), Centre National D’études Spatiales (CNES), Alliance NewSpace France,
    Paris, France
    At the Centre des Congrès de la Villette; a forum to unite the French and European space community, promoting innovation, investment, and strategic dialogue. It supports France’s...

    Thursday

    Friday

    Saturday

    — International Lunar Observatory Association (ILOA Hawai'i), Space Age Publishing Company (SPC),
    Mountain View CA, USA
    At Computer History Museum with stellar participants from ILOA, IRG, SETI, NASA and more. 5 session themes: 21st Century Solar System Complete Exploration, Funding the Dream, Deep...

    Monday

    — University of Cambridge,
    Cambridge, United Kingdom
    A workshop highlighting the science of debris disks in Cambridge, after the successes of Victoria 2018, Budapest 2019, EAS 2021, Jena 2022 and Tucson 2024. Debris disks...

    Tuesday

    — Roscosmos State Corporation,
    Baikonur Cosmodrome, ~46°N, Kazakhstan
    NET July 14 - Crewed mission to International Space Station: Roscosmos Cosmonauts Pyotr Dubrov, Anna Kikina, and NASA Astronaut Anil Menon. The trio will spend ~8 months...

    Thursday

    Friday

    Monday

    — National Aeronautics and Space Administration (NASA),
    Global / Inter-Global
    First Human mission to land on Moon in 1969; 1st steps by humans on another World taken by Commander Neil Armstrong and Lunar Module Pilot Buzz Aldrin;...
    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 50 years ago; originally scheduled for July 4, landing was delayed until this...
    — Moon Village Association (MVA),
    Global / Inter-Global
    Celebrating the 1st people walking on the Moon / another celestial body – International Moon Day has been a recognized / endorsed declaration by the United Nations...
    — Purdue University,
    West Lafayette, Indiana
    Purdue University will bestow its newest honor – the Neil Armstrong Space Prize – upon those whose contributions to space in the preceding decade are deemed the...
    — Farnborough International,
    Farnborough, United Kingdom
    At Farnborough International Exhibition & Conference Centre; received 100,358 visitors from 114 countries in 2024.

    Tuesday

    — National Aeronautics and Space Administration (NASA), Solar System Exploration Research Virtual Institute (SSERVI),
    Moffett Field, Santa Clara County CA, USA
    Hosted by SSERVI Central Team at NASA Ames Research Center, Moffett Field CA, USA; online option available. The Forum will feature in-depth analyses of research targeting human...
    — Explore Mars Inc., Rice University,
    Houston TX, USA
    Gathering top experts in Moon and Mars architectures, systems, science, human health, innovation, policy. July 21: Workshops and Tours. July 22-23: Plenary Sessions. At Rice University. Confirmed...
    US$161 – US$583

    Thursday

    — National Aeronautics and Space Administration (NASA),
    High Earth Orbit (HEO)
    NASA spacecraft in extended mission phase reaches 27th full year / begins 28th year of operations in space; instruments able to detect X-ray sources 100 times fainter...

    Sunday

    — American Astronautical Society (AAS), American Institute of Aeronautics and Astronautics (AIAA),
    Whistler, British Columbia, Canada
    AAS hosts, and AIAA co-hosts, specifically AAS Space Flight Mechanics Committee and AIAA Astrodynamics Technical Committee. At Hilton Whistler Resort & Spa.

    Monday

    Wednesday

    Thursday

    — Comet 96P / Machholz,
    Worldwide
    Emanating from ~6km-wide comet with 5.3-year Solar orbit, visible in constellation Aquarius near star Delta Aquarii, fast, faint meteors peak on this night, best seen from the...
    — International Research Conference,
    London, United Kingdom
    The International Research Conference is a federated organization dedicated to bringing together a significant number of diverse scholarly events for presentation within the conference program. Events will...

    Friday

    — Interstellar Research Group (IRG),
    Venice, Italy
    to be held December 2-4, 2026 in Venice, Italy. Interstellar space is not the domain of any one discipline. It demands insight from across the full spectrum of...
  • Saturday

    — China National Space Administration (CNSA),
    Wenchang Space Launch Center, ~19°N, Hainan Island, China
    NET Aug — CNSA to launch CE-7 mission which is planned to land at Moon South Pole to survey environment and resources with Relay Satellite, Orbiter, Lander...

    Sunday

    — Asia Oceania Geosciences Society (AOGS),
    Fukuoka, Japan
    From 02 to 07 August 2026, a few thousand geoscientists across diverse disciplines will gather at the 23rd annual meeting of the Asia Oceania Geosciences Society at the...

    Wednesday

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Heliocentric Orbit
    NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe came within ~6.16M km of the Sun on Dec 24, 2024 which...

    Monday

    Thursday

    — Indian Space Research Organisation (ISRO),
    Moon Orbit
    India orbiter surpasses another full year in lunar polar orbit since reaching the Moon in 2019; Chandrayaan-2 lander and rover were unsuccessful in lunar landing.

    Sunday

    — Indian Space Research Organisation (ISRO),
    Statio Shiv Shakti, 69.373°S 32.319°E, Moon Surface
    Chandrayaan-3 Vikram lander and Pragyan rover celebrated today after successfully landing on Moon in 2023; marking India as the 4th country to land on Moon, and 1st...
    — Small Satellite Conference, others,
    Salt Palace Convention Center, Salt Lake City UT, USA 100 South West Temple, Salt Lake City, UT, United States
    40th Annual Small Satellite Conference expects ~5,000 attendees, will spotlight technologies driving constellation success and celebrate thousands of people whose vision and collaboration have propelled the industry...
    $1000

    Thursday

    — Full Moon,
    Moon Orbit
    With 93% of the Moon falling into Earth's umbral shadow, maximum eclipse 18:19 HST // 04:12 UTC on August 28, visible from the Americas, Europe, Africa, and...

    Sunday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.
  • Tuesday

    Sunday

    — Europlanet,
    The Hague, The Netherlands
    A major European meeting on planetary science. Originally known as the European Planetary Science Congress, the first EPSC was held in Berlin in 2006. EPSC is the...

    Friday

    — Moonbase Lappträsk / ISRU.tech,
    Online
    Inaugural event to convene researchers, policymakers and practitioners to advance understanding of self-sufficient structures in extreme environments, including the Moon. Begins September 11 at 19:00 CEST (UTC+2)...

    Saturday

    Monday

    — American Astronautical Society (AAS),
    Cleveland OH, USA
    Usually held in collaboration with NASA Glenn and Case Western Reserve University and usually held at the university.

    Tuesday

    Monday

    — Greater San Antonio Chamber of Commerce,
    San Antonio TX, USA
    Highlighting the role of Texas in the commercial space economy, innovators, investors, contractors and NASA reps will participate in immersive exhibits including lunar bases, launch systems, and...

    Tuesday

    — Sun-Earth,
    Worldwide
    14:02 HST (04:02 UTC); the Sun rises exactly in east traveling through sky for 12 hours, sets exactly in west; every place on Earth experiences a ~12-hour...

    Saturday

    Monday

    — Indian Space Research Organisation (ISRO),
    Low Earth Orbit (LEO)
    Indian Space Research Organisation (ISRO) first dedicated multi-wavelength space observatory surpasses another full year in space today, launched 2015.
    — International Astronomical Union (IAU),
    Quy Nhan, Vietnam
    At International Centre for Interdisciplinary Science Education (ICISE), Quy Nhon, Vietnam, for target audience Early MSc/PhD students and senior undergraduates in Astronomy, especially from the Asia-Pacific region

    Wednesday

    — Global Satellite Operators Association (GSOA),
    London, United Kingdom
    "Redefining Ground" is this year's theme for conference dedicated to the satellite ground segment, with 50+ speakers and attendees from around the world. At Park Plaza Victoria...
    €220
  • Thursday

    Sunday

    — World Space Week Association,
    Worldwide
    Celebrating international contributions of space science for betterment of the human condition; Oct 4 is 68th observation of 1st Space mission Sputnik One launched by Soviet Union...

    Monday

    Thursday

    Tuesday

    — European Space Agency (ESA),
    Noordwijk, Netherlands
    The SPCD international Symposium is the premier technical conference dedicated to Passive components for space applications. It is an exceptional venue to learn more about the latest...
    — European Space Agency (ESA), Centre National D’études Spatiales (CNES), German Aerospace Center (DLR),
    Noordwijk, The Netherlands
    6th SPCD for discussion and exchange of expertise on components representing >80% of Electrical and Electronics Engineering (EEE) parts used in spacecraft. At Space Research and Technology...
    €150 – €800

    Wednesday

    Saturday

    — International Observe the Moon Night Organization,
    Worldwide
    For observation, appreciation, understanding of the Moon / its connection to planetary science / exploration; 1st quarter Moon is best time due to shallow angle of sunlight...
    — Starlight Foundation,
    Canary Islands, Spain
    Celebration of science, art, music, exploration and the responsibility we share for the future of our species and our planet. Expected are Astronauts, Nobel laureates, pioneering scientists...

    Sunday

    — Hawai'i Space Grant Consortium (HSGC), University of Hawai'i Institute for Astronomy,
    Honolulu HI, USA
    STEM event to inspire students with hands-on activities and displays featuring rocketry, satellites, astronomy, meteorites, robotics and more. At University of Hawai‘i at Mānoa. https://www.hawaii.edu/news/2025/11/04/lacy-veach-day-2025/

    Monday

    — National Aeronautics and Space Administration (NASA), Roscosmos State Corporation,
    Mars Orbit
    European Space Agency (ESA) and Roscosmos spacecraft surpasses another full year at Mars, launched 2016; craft continues collecting data on atmosphere, deployed Schiaparelli demonstration lander 19 Oct...

    Tuesday

    — Continental Exhibitions, Inc,
    NYC NY, USA
    Guided by an Advisory Board of leaders from SSPI, Axiom Space, Black Sky, Fidelity, Counco on Foreign Relations, Lockheed Martin, Empire Space, US Space Force; a US...
    — International Association for the Advancement of Space Safety (IAASS),
    Antibes - Juan-les-Pins
    The 14th IAASS Conference, “Together for a Safe Space Frontier”, invites reflection and the exchange of knowledge on critical space safety topics that demand international collaboration. The...

    Wednesday

    — Halley’s Comet,
    Worldwide
    Appearing in constellation Orion, Orionids are a Class I shower providing up to 20 per hour, swiftly moving ~66km/sec. With activity spanning October 2 - November 12,...
    — European Space Agency (ESA),
    Noordwijk, Netherlands
    Bringing together leading researchers, engineers, and industry experts at the intersection of artificial intelligence and space exploration. As AI continues to transform the way we design, operate,...

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Mars Orbit
    NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit around a planet other than Earth; launched...

    Sunday

    Monday

    — American Astronautical Society (AAS),
    Huntsville AL, USA
    Convene, connect, and collaborate at the 19th annual von Braun Space Exploration Symposium! This year’s event will spotlight how bold ideas, emerging technologies, and new partnerships are...

    Tuesday

    — Spaceport Norway,
    Oslo, Norway
    Space-based situational awareness is critical—for Arctic security, maritime operations, and national resilience. Space demands collaboration. Across borders, between allies, within Norway, where position and expertise—combined with space...
  • Sunday

    — China National Space Administration (CNSA),
    Shackleton Crater Ridge, Moon Surface
    NET Nov — CNSA CE-7 mission planned to land at Shackleton Crater Ridge near Moon South Pole region to survey environment and resources with Relay Satellite, Orbiter,...
    — Association of Space Explorers (ASE),
    Wenchang, Hainan, China
    Venue / exact date for Hainan, China -- TBC (to be confirmed); As the only professional association for astronauts, ASE supports the advancement of space exploration by providing...

    Monday

    — Sun-Earth,
    Nationwide USA
    Change clocks back 1 hour from Daylight Saving to Standard Time; does not include Hawai’i, Arizona (except the Navajo Nation), American Samoa, Guam, Northern Mariana Islands, Puerto...
    — International Astronomical Union (IAU), National Astronomical Observatory of Japan (NAOJ),
    Tokyo, Japan
    Coordinating Division Division C Education, Outreach and Heritage The IAU Symposium on Innovative Research and Techniques in Astronomy Communication will take place from November 2 to 6,...
    Florence, Italy
    ESWW is the main annual event in the European Space Weather and Space Climate calendar. It is an international meeting organised annually within the European Region in...
    — International Astronomical Union (IAU),
    Tokyo, Japan
    IAU Symposium: IAUS409 - A Journey Towards Effective Astronomy Communication; online and at National Astronomical Observatory of Japan, 2-21-2 Osawa Mitaka, Tokyo. Topics include: Innovations in Data...

    Wednesday

    — Secure World Foundation (SWF), Agência Espacial Brasileira (AEB),
    Brasília, Brazil
    At the National Museum of the Republic, the first SWF Summit in Latin America.

    Monday

    — Reuters Events,
    Washington DC, USA
    Expecting senior government and executives from NASA, Firefly, Blue Origin to discuss innovation, competitive advantages and a "space industrial revolution in LEO". Capped at 250 participants. At...
    US$849

    Friday

    Monday

    — Institute of Environmental Sciences and Technology,
    Annapolis, Maryland
    Major international forum in space hardware environmental testing for research and development and qualification. It provides a unique opportunity for engineers, technicians and scientists from industry, government...

    Tuesday

    — Smarter Shows Ltd.,
    Bremen, Germany
    Leading event in Europe for space engineering, innovation, and the end-to-end supply chain.

    Wednesday

    — PT Napindo Media Ashatama, AIRNAV Indonesia,
    Jakarta, Indonesia
    At the Jakarta International Expo (JIExpo) Kemayoran. This event represents one of Southeast Asia’s most significant aerospace gatherings, connecting industry leaders, innovators, policymakers, and investors from around...

    Friday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    Observing gamma-ray bursts & their afterglows in gamma-ray, X-ray, ultraviolet, optical wavelengths from LEO, multiwavelength craft surpasses another year of operations in space today, launched in 2004.

    Sunday

    Monday

    Tuesday

    — Global Network on Sustainability in Space (GNOSIS),
    Online
    GNOSIS promotes, coordinates and develops collaboration across the academic, defence, industrial and political sectors to understand and solve problems relating to the sustainable use of Space.

    Monday

    — International Astronomical Union (IAU),
    Cancún, Quintana Roo, Mexico
    Held every 3 years, targeted to professional astronomers, postdocs, postgraduate and undergraduate students pursuing a research career in Astronomy. As previous editions of this meeting, XVIII LARIM...
    $260 – $450
  • Tuesday

    — SpaceX,
    Starbase, 25.9°N, Boca Chica TX, USA
    SpaceX to launch Starship with Venturi Astrolab FLEX C rover from Starbase, Boca Chica TX. Flexible Logistics and Exploration (FLEX-C) rover to launch to Moon South Pole...
    — China National Space Administration (CNSA),
    Statio Tianchuan, 43° N 51.9° W, Moon Surface
    China National Space Administration (CNSA) Chang'E-5 lander at Statio Tianchuan "ship sailing in the Milky Way", Mons Rümker, Oceanus Procellarum, Moon (43° N, 51.9° W), surpasses another full...

    Wednesday

    — European Space Agency (ESA), National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    European Space Agency (ESA) / National Aeronautics and Space Administration (NASA) craft studying sun, surpasses another full year of operations in space today, launched 1995; discovered more...
    — Interstellar Research Group (IRG),
    Venice, Italy
    Hosted by The Venetian Institute of Sciences, Letters and Arts in association with The Interstellar Research Group, the world’s experts in exoplanet research, advanced space propulsion, power,...

    Thursday

    — Japan Aerospace Exploration Agency (JAXA),
    Asteroid 98943 Torifune Trajectory
    Japan Aerospace Exploration Agency (JAXA) Hayabusa surpasses another full year in space today; launched Dec 3, 2014, returned samples to Earth in 2020, and now in extended...
    — American Institute of Aeronautics and Astronautics (AIAA),
    Adelaide, Australia
    Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given for 1st, 2nd and 3rd place papers...

    Monday

    — American Geophysical Union (AGU),
    San Francisco CA, USA
    Save the date for future Annual Meetings: December 7-11, 2026 | San Francisco December 13-17, 2027 | Washington, D.C. December 11-15, 2028 | San Diego

    Thursday

    — European Space Agency (ESA),
    Low Earth Orbit (LEO)
    European Space Agency (ESA) craft in Very Eccentric Elliptical LEO studying X-ray emissions, star-forming regions, galaxy clusters, environment of supermassive black holes, mapping dark matter, surpasses next full...

    Monday

    — China National Space Administration (CNSA),
    Guang Han Gong, 44.12°N 19.51°W, Moon Surface
    China National Space Administration (CNSA) spacecraft at Guang Han Gong "Moon Palace", Sinus Iridum / Mare Imbrium, 44.12°N 19.51°W, surpasses another full year on Moon surface, landed...
    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA Wide-field Infrared Survey Explorer spacecraft (redubbed Near-Earth Object WISE – NEOWISE) surpasses another full year in space today; launched 2009, went into hibernation February 17, 2011...

    Wednesday

    Saturday

    — European Space Agency (ESA),
    Sun-Earth L2 Lagrange point
    ESA spacecraft surpasses another full year in space today; now in extended mission phase working to map more than 1 billion stars; launched in 2013.

    Monday

    — Sun-Earth,
    Worldwide
    10:49 HST (00:49 UTC); the Sun reaches the point where it is farthest South of the celestial equator, marking the shortest day and longest night of the...

    Wednesday

    — Full Moon,
    Moon Orbit
    25:29 HST //  01:29 UTC on Dec 24.

    Friday

    — National Aeronautics and Space Administration (NASA), European Space Agency (ESA), Canadian Space Agency (CSA-ASC),
    Sun-Earth L2 Lagrange point
    NASA (STSci) / ESA / CSA-ASC infrared astronomy telescope surpasses next full year in space since launching on this day via Ariane 5 ECA rocket in 2021.
    — National Aeronautics and Space Administration (NASA),
    Mars Orbit
    ESA spacecraft surpasses next full year in Mars orbit today; will continue to study Mars atmosphere & climate, planet structure, mineralogy, geology, and to search for traces...