• Wednesday

    — Space Foundation Discovery Center,
    Colorado Springs CO, USA
    Homeschool Days is specially designed for K-12 students and families to offer exciting hands-on activities and workshops throughout the Discovery...

    Thursday

    — Howard Astronomical League,
    Columbia MD, USA
    Hubble Space Telescope Outreach Coordinator Faith Vowler of NASA will present at this public meeting, 19:00; online option available; at...

    Friday

    Saturday

    — ISS Partners (NASA, Roscosmos, JAXA, ESA and CSA-ASC),
    Low Earth Orbit (LEO)
    Visible at -3.9 magnitude, the International Space Station will travel over Hawaiian Islands from NW to SE, rising at 04:48:07...

    Sunday

    — China National Space Administration (CNSA),
    Low Earth Orbit (LEO)
    Beginning 06:20:51 HST from the SSW, Tiangong will make a visible pass at brightest magnitude 1.2 over Hawaiian Islands, setting...

    Monday

    — American Institute of Aeronautics and Astronautics (AIAA),
    Hyatt Regency Orlando Orlando, FL, United States
    AIAA SciTech Forum—the premier aerospace R&D event of the year exploring the science, technologies, and capabilities that are transforming aerospace.

    Tuesday

    — NASA Small Bodies Assessment Group (SBAG),
    Baltimore MD, USA
    At the Johns Hopkins University Mt. Washington campus in Baltimore MD and online. Early-career researchers and students are encouraged to...

    Wednesday

    Thursday

    — Griffith Observatory,
    Los Angeles CA, USA
    Griffith Observatory broadcasts this public program live 19:00-20:30 PST from the Leonard Nimoy Event Horizon Theater. Join the Observatory's curatorial...
    — GW:UK,
    Nottingham, UK
    1st meeting of the GW:UK initiative to bring researchers to celebrate 10 years of gravitational wave discoveries and engage in...

    Friday

    — International Astronautical Federation (IAF),
    Online
    International Astronautical Federation recognizes achievements in the space community via many awards, such as World Space, International Cooperation, Hall of...

    Saturday

    — Nichelle Nichols Foundation,
    Huntsville AL, USA
    Offering space, aviation and robotics program for girls ages 14-18, inspiring young women to aim for the stars.
    — Society of Photo-Optical Instrumentation Engineers (SPIE),
    San Francisco CA, USA
    SPIE Photonics West and subconference on Optical Power Delivery, key to development of Space Solar Power.

    Monday

    — University of Groningen, Space Research Organisation Netherlands,
    Groningen, Netherlands
    In-person registrations for the conference are full // Registration for virtual participation is open. The planets that are best understood are...

    Tuesday

    — Committee on Space Research (COSPAR), Aalto University,
    Espoo, Dipoli, Finland
    FinCOSPAR, EXPO, Remote Sensing Days.

    Friday

    — University of Hawai`i at Hilo, University of California Observatories,
    Online
    10-week summer program June 1 - August 7, 2026, for STEM undergraduates to gain work experience at observatory, company or...
    — Cornell Spacecraft Planetary Image Facility,
    Online
    Facilitated by Cornell Spacecraft Planetary Image Facility (SPIF). Introduces features and tasks most-relevant to planetary science, setting up a project,...

    Saturday

    Sunday

    — SpaceX,
    Starbase, 25.9°N, Boca Chica TX, USA
    12th flight of the two-stage Starship vehicle projected to launch late this month on suborbital test flight.

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Increasing space awareness and education, remembrances and events honor three Apollo 1 crew members lost in 1967 during a launch...
    — Ministry of Education, Innovation and Talent Development (MEITD) Sarawak, Borneo Business Connect Sdn Bhd,
    Kuching, Sarawak, Malaysia
    APACE 2026 will serve as a premier aerospace event for over 1,000 professionals from more than 50 countries. It aims...

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Educational and ceremonial events held worldwide to advance space technology / education and honor 7 crew members killed in Shuttle...
    — Johns Hopkins University Applied Physics Lab (JHU-APL),
    Online
    Monthly teleconference on Excavation & Construction focus group (LSIC), covering lunar regolith handling, construction techniques, and infrastructure for missions.
    — SpaceCom, National Aeronautics and Space Administration (NASA), Lockheed Martin, Dell,
    Orlando FL, USA
    Commercial Space Week from January 28-30, 2026, which includes the Space Mobility Conference (January 28-30) and GSA Spaceport Summit (January...
    — Nikkan Kogyo Shimbun Ltd,
    Tokyo, Japan
    Including collaborative project "Lunar Development Forum -NIKKANKOGYO MOON PRESS", this exhibition attracts global companies, academic institutions, government agencies, and startups...

    Friday

    — Centre National D’études Spatiales (CNES),
    Online
    International innovation contest -- hackathon -- joined in 100+ cities in 5 continents, aimed at imagining the products and solutions...
    — Centre National D’études Spatiales (CNES), European Space Agency (ESA),
    Worldwide
    24-hour worldwide, biennial hackathon for individuals and teams of 2-5. 100+ locations will send a winner to Bordeux, France for...

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    American Artemis Return to the Moon For Good is underway, Mars attention and planning advancing, Outer Solar System search for...
    — American Institute of Aeronautics and Astronautics (AIAA) Los Angeles Section,
    Lawndale CA, USA
    40th Anniversary Event for the Space Shuttle Challenger Tragedy. Michelle Evans will speak, lead discussion and present 2 of her...
  • Sunday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Annual international conferences and events take place to further space exploration efforts in remembrance of Columbia 7 loss: Commander Richard...

    Monday

    — Office for Space Technology & Industry Singapore (OSTIn), Singapore Economic Development Board (EDB Singapore),
    Marina Bay Sands / Sands Expo and Convention Centre , Singapore
    Space Summit 2026 is a space-focused conference with a boutique exhibition, highlighting trends, challenges and opportunities in the global space...
    — International Association of Geomorphologists, ANZGG, University of Canterbury,
    Christchurch, New Zealand
    Includes track on planetary geomorphology for all Solar System bodies and exoplanets
    — Gemini Observatory, National Optical-Infrared Astronomy Research Laboratory (NOIRLab), Maunakea Observatories,
    Statewide Hawai’i, USA
    Annual event in its 22nd year, inviting STEAM professionals and Maunakea Observatories staff to participate in 200+ Hawai'i classroom visits,...

    Tuesday

    — Civial Aviation Authority of Singapore (CAAS), Changi Airport Group, Singapore Exhibition and Convention Bureau,
    Changi Exhibition Centre 9 Aviation Park Rd, Singapore, Singapore
    Singapore Airshow is one of the world’s most influential international aerospace and defence exhibitions, providing a platform for stakeholders to...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    SLC-39B, Kennedy Space Center FL, ~29°N, USA
    Planned 1st fully-crewed Orion Moon flight to last 10-14 days with 3 USA and 1 Canada Astronaut: Commander Reid Wiseman,...
    — Kanagawa Prefectural Government,
    Yokohama, Japan
    At Minato Mirai - Yokohama. The first space summit organized by a prefectural government in Japan.

    Friday

    — California Institute of Technology (Caltech),
    Pasadena CA, USA
    Driven by great progress in exoplanet research over the past two decades, the field of high contrast imaging is assuming...

    Monday

    — United Arab Emirates Space Agency (UAESA),
    Mars Orbit
    UAE Hope Orbiter, studying Mars atmosphere and climate, reaches 5 full years / enters 6th year in Mars orbit today;...

    Tuesday

    — SmallSat Symposium,
    Computer History Museum
    Three day conference which unlocks the business and financial knowledge required to leverage smallsat innovation and cutting-edge technology into next...
    $1,695
    — International Committee on Global Navigation Satellite Systems (ICG), Interagency Operations Advisory Group (IOAG), United Nations Office of Outer Space Affairs (UNOOSA),
    Vienna, Austria
    The Moon is a primary focus for space activities around the world in the coming decades, including orbiters, landers, rovers,...

    Wednesday

    — Maryland Space Business Roundtable (MSBR),
    Greenbelt MD, USA
    11:30-13:00 EST, with Jim Bridenstine, Managing Partner for The Artemis Group, the 13th Administrator of NASA, where he was responsible...

    Sunday

    Tuesday

    — Lunar Calendar,
    China (Zhongguo) / Worldwide
    Lunar New Year 2026 Spring Festival marks the Year of the Horse.

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Mars Surface
    Mars 2020 Perseverance Rover reaches 5 full years / enters 6th year on Mars surface having landed in Jezero Crater...
    — Space Foundation,
    Dallas TX, USA
    Focus is on innovative financing models; invited are executives, financiers. investors, public-sector leaders; discussed will be Texas Space Commission US$300M...
    $1250 – $1500
    — International Academy of Astronautics (IAA), University of Texas at Austin (UT), Strauss Center for International Security and Law,
    Austin TX, USA
    Sponsored by the Space Security, Safety, and Sustainability (SSSS) Program at The University of Texas at Austin’s (UT) Strauss Center for International...

    Thursday

    — Griffith Observatory,
    Los Angeles CA, USA
    Griffith Observatory broadcasts this public program live 19:00-20:30 PST from the Leonard Nimoy Event Horizon Theater. Join the Observatory's curatorial...

    Sunday

    Monday

    — Indian Space Research Organisation (ISRO), North Eastern Space Applications Centre (NESAC),
    Meghalaya, Shillong, India
    A biennial event organized by ISRO for researchers working in the fields of atmospheric, space and planetary sciences, astronomy and astrophysics,...

    Tuesday

    — Beyond Earth Institute,
    Washington DC, USA
    From Space Habitat to Space Town: Creating a Clear Pathway. Speakers include Pete Worden, Bhavya Lal, Kevin Coggins. Subjects include...
    $65 – $695

    Wednesday

    — American Institute of Aeronautics and Astronautics (AIAA),
    League City TX, USA
    Taking place at South Shore Harbour Resort & Conference Center in League City, Texas; ASCENDxTexas is where leaders from government, industry,...
  • Monday

    Tuesday

    — National Aeronautics and Space Administration (NASA), Association of Spaceflight Professionals (ASP),
    Online
    For more information, visit the NASA Human Research Program Investigators' Workshop event page; this year's event will be held in a...

    Monday

    — Lunar and Planetary Institute (LPI), Universities Space Research Association (USRA),
    The Woodlands TX, USA
    Expecting 2,000+ for the latest science, research, discoveries; at Waterway Marriott and online
    $400 – $700

    Friday

    — Sun-Earth,
    Global / Inter-Global
    Occurs 04:45 HST / 14:45 UTC; March equinox is known as the vernal equinox (or spring equinox) in the Northern...

    Sunday

    TBD, Botswana
    Part of AfAS-2026 Annual Conference (Botswana), In collaboration with NASA SSERVI Features presentations on lunar science, planetary exploration, and human...

    Monday

    — Access Intelligence LLC,
    Walter E. Washington Convention Center
    Satellite industry first and largest experience of the year — uniting commercial innovators, government and military decision-makers, and end-users from...
    $149

    Monday

    — UzCosmos National Space Agency of Uzbekistan,
    Tashkent, Uzbekistan
    5th conference to convene space agencies, satellite operators, startups; expecting 400+ delegates, 40+ speakers, 25 exhibitors.
    £995 – £1195
  • Wednesday

    — 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...
    — United Launch Alliance (ULA),
    SLC-41, Cape Canaveral SFS FL, ~28°N, USA
    NET Apr — Launch Atlas V / Starliner: Next launch of Starliner crew vehicle set to occur "early 2026", unknown...

    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...

    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...

    Monday

    — 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...
    Free
    — 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

    Wednesday

    — 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.

    Saturday

    Sunday

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

    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...

    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...
    — China National Space Administration (CNSA),
    China (Zhongguo)
    Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.

    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,...
  • Friday

    — 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...
    — International Space Day,
    Worldwide
    First Friday in May, events and presentations to promote STEM education and inspire people to continue the work of Space...

    Sunday

    — 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,...
    Free – €765

    Monday

    — International Astronomical Union (IAU),
    Hong Kong, China
    The Asia Pacific Regional International Astronomical Union (IAU) Meeting is a highly anticipated gathering that convenes astronomers, researchers, and enthusiasts...

    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.

    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...

    Monday

    Tuesday

    — American Institute of Aeronautics and Astronautics (AIAA), Commercial Space Federation (CSF), Space Force Association, Space Generation Advisory Council (SGAC), Lockheed Martin, ISS National Laboratory,
    Washington DC, USA
    Accelerating Space Commerce, Exploration, and New Discovery

    Thursday

    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...

    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...
    €475
  • Monday

    — 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...
    — Rocket Lab,
    Launch Complex 1, Mahia Peninsula, New Zealand
    Launch Electron / Venus probe: Independent mission to Venus developed by Rocket Lab and MIT to send tiny probe flying in...

    Tuesday

    — 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...
    — 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...
    — South African Radio Astronomy Observatory (SARAO), ZA Space, GMN Fairs, Hauweng, Advanced Business Events,
    Pretoria, South Africa
    Expecting 300 exhibitors, 500 companies, 25 countries, 3,000 B2B (business to business) meetings

    Thursday

    Friday

    Monday

    — Universities Space Research Association (USRA), Lunar and Planetary Institute (LPI),
    Houston TX, USA
    10-week paid summer academy for analytical and laboratory skills in planetary sample science. At LPI, near NASA Johnson.

    Tuesday

    Saturday

    Tuesday

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

    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...

    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...

    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....
    $100 – $275

    Saturday

  • Wednesday

    — 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...

    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...

    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...
    — 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...

    Monday

    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...

    Friday

    Monday

    — Purdue University,
    West Lafayette, Indiana
    Purdue University will bestow its newest honor – the Neil Armstrong Space Prize – upon those whose contributions to space...
    — 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...
    — 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...

    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...

    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...
  • Saturday

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

    Sunday

    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...

    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...

    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...
    — 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...
    $1000

    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...
  • Tuesday

    Sunday

    Monday

    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...