• Wednesday

    — China Aerospace Science and Technology Corporation (CASC),
    Jiuquan Space Launch Center, ~41°N, Gansu, China
    Launch window 10:00-12:14 China Time. 1st stage will attempt vertical landing using engines at location 300km from launch site, Minqin County, Gansu Province.
    — Rocket Lab,
    SLC-2, Wallops Flight Facility WA, ~38°N, USA
    STP-S30 mission for USA DoD includes research experiments and technology demonstrations includes primary payload, DISKSat.

    Thursday

    — Blue Origin,
    West Texas Suborbital Launch Site / Corn Ranch, Van Horn TX, USA Launch Site One (LSO), Van Horn, TX, United States
    08:30-16:30 CST; 16th crewed flight for the New Shepard program and 37th in New Shepard program; crew is: aerospace engineer Michaela (Michi) Benthaus, physicist/investor Joey...
    — International Conference of Applied Science and Engineering Technology (IFERP), Shinawatra University of Thailand,
    Bangkok, Thailand
    Conference theme is "WCASET Nexus: Where Science, Education and Technology Converge" and offers both in-person and virtual participation; includes sessions on space science and technology.

    Friday

    — European Space Agency (ESA),
    Sun-Earth L2 Lagrange point
    ESA spacecraft surpasses 12 full years in space today, begins year 13, in extended mission phase working to map more than 1 billion stars.
    — Roscosmos State Corporation,
    Baikonur Cosmodrome, ~46°N, Kazakhstan
    Resupply mission to the International Space Station from spaceport operated by Russia within Kazakhstan.

    Saturday

    — American Institute of Aeronautics and Astronautics (AIAA) Los Angeles Section,
    Rolling Hills Estates CA, USA
    Moderated by Madhu Thangavelu. 10:00-17:00 PT. Panels include: Cis-Lunar / Lunar, Artemis, Starship / SLS, Space Architecture / Philosophy / Art / Agriculture, others. Online...
    — Space Center Houston,
    Houston TX, USA
    Tent-camp by Falcon 9 rocket or Independence shuttle replica, and STEM activities.
    $80

    Sunday

    — Sun-Earth,
    Low Earth Orbit (LEO)
    Occurs 05:01 HST, 15:01 UTC; It is the winter solstice in the Northern Hemisphere, resulting in the shortest day and longest night of the year;...
    — Chinese Society of Astronautics (CSA),
    Wenchang, Hainan, China
    With theme "Exploring New Industrial Models, Empowering the New Aerospace Economy". 2025 marks a crucial stage for the Hainan Free Trade Port, coinciding with the...

    Monday

    — Comet 8P/Tuttle,
    Low Earth Orbit (LEO)
    From Comet Tuttle (8P), with up to 10 per hour. Moon only 3% full helps viewing on peak nights; active Dec 17-26.

    Tuesday

    — Roscosmos State Corporation,
    Plesetsk Cosmodrome, ~63°N, Mirny, Russia
    NET Dec 23, launch of Earth science satellite to Sun-Synchronous Orbit for Russia.

    Wednesday

    — Indian Space Research Organisation (ISRO),
    Satish Dhawan Space Center, ~14°N, Sriharikota, India
    India Launch Vehicle Mark-3 (LVM3), also called Bahubali, to launch 6,500-kg Bluebird 6 for AST SpaceMobile; launch was coordinated by New Space India Limited (NSIL),...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    Mars Orbit
    ESA spacecraft surpasses 22 full years / starts 23rd year in Mars orbit today; will continue to study Mars atmosphere & climate, planet structure, mineralogy,...
    — National Aeronautics and Space Administration (NASA), European Space Agency (ESA), Canadian Space Agency (CSA-ASC),
    Sun-Earth L2 Lagrange point
    Surpassing 4 full years / beginning 5th in space, NASA (STSci) / ESA / CSA infrared astronomy telescope designed to observe the earliest galaxies, study...

    Friday

    — China National Space Administration (CNSA),
    Xichang Satellite Launch Center, ~28°N, Sichuan, China
    Earth science satellite to Geostationary Transfer Orbit for China's meteorological satellite program FY-4 (Feng Yun 4).
    — Kennedy Space Center Visitor Complex,
    Kennedy Space Center Visitor Complex FL, USA
    The stars are aligning for a brand-new show at Holidays in Space! Get ready for a nighttime spectacle that's out-of-this-world.

    Saturday

    — SpaceX,
    SLC-4E, Vandenberg SFB CA, ~35°N, USA
    CSG-3 Earth observation satellite to Sun-Synchronous Orbit for Italian Space Agency (ASI), part of a reconnaissance constellation using synthetic aperture radars operating in the X-band.
    — Cranbrook Institute of Science,
    Bloomfield Hills MI, USA
    Journey back 2000 years to Bethlehem as recorded sightings of significant astronomical occurrences during related historical events are examined to offer a possible scientific explanation...

    Sunday

    — Roscosmos State Corporation,
    Vostochny Cosmodrome, ~52°N, Russia
    NET Dec 28 launch of dual optical Earth observation satellites with 20 small ride-share payloads to Sun-Synchronous Orbit.

    Monday

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    At magnitude 2.9, the Hubble Space Telescope will travel over Hawaiian Islands from SSE to E, rising at 04:58:50 to 05:04:49 HST.

    Wednesday

    — China National Space Administration (CNSA),
    Wenchang Space Launch Center, Hainan Island, China (19° N)
    05:00-07:50 CST launch window [11:00-13:50 HST]
    — Kennedy Space Center Visitor Complex,
    Kennedy Space Center Visitor Complex FL, USA
    Includes: Private bus tour behind NASA’s gates, making stops at iconic Kennedy Space Center landmarks. Pending spaceflight operations stops may include outside the Vehicle Assembly Building and panoramic views of Launch Complex 39’s Pads A and B. Plus,...
    $190
    — Westport Astronomical Society (WAS),
    Westport CT, USA
    If skies are clear, this all volunteer-run, non-profit organization is open to the public 20:00-22:00 for star viewing.
  • Thursday

    Jupiter System
    NASA Juno indicates Europa ice may be 6x deeper than thickest Antarctic ice; timing of craft planned plunge into Jupiter clouds TBD | ESA JUICE...
    — China National Space Administration (CNSA),
    Wenchang Space Launch Center, Hainan Island, China (19° N)
    Launch Long March 10A / First Test Flight: First flight of China Long March 10A rocket, precursor to Long March 10 intended to support crewed /...
    — Japan Aerospace Exploration Agency (JAXA),
    Tanegashima Space Center, Japan
    NET Q1 — Launch Martian Moons eXploration (MMX): Japan planning to launch its first Mars mission consisting of sample return probe; to conduct observations of...

    Friday

    — SpaceX,
    SLC-40, Cape Canaveral SFS FL, ~28°N, USA
    Another batch of 29 satellites for Starlink space-based Internet communication mega-constellation.
    — Asteroid 2003 EH,
    Worldwide
    The Quadrantid shower is known for its brief, intense peak, lasting only a few hours. Appearing to radiate from Constellation Quadrans Muralis, there can be...

    Saturday

    — Sun-Earth,
    Global / Inter-Global
    08:00 HST, 18:00 UTC; Earth perihelion is the point in its orbit when it is closest to the Sun, occurring annually in early January.

    Sunday

    — American Astronomical Society (AAS),
    Phoenix Convention Center Phoenix, AZ, United States
    The 247th AAS meeting (joint with the High Energy Astrophysics and Historical Astronomy Divisions) will be held 4-8 January in Phoenix, Arizona.

    Monday

    — Indian Space Research Organisation (ISRO),
    Satish Dhawan Space Center, ~14°N, Sriharikota, India
    NET Jan 5 - early morning launch of PSLV with small Earth observation satellite from NewSpace India Limited (NSIL) and 18 additional ride-share payloads.
    — SpaceX,
    SLC-4E, Vandenberg SFB CA, ~35°N, USA
    NET Jan 5 - Astrophysics satellite Pandora for NASA to Sun-Synchronous Orbit, and 'Twilight' satellites from Spire Global and Kepler Communications.
    — Universities Space Research Association (USRA), Lunar and Planetary Institute (LPI),
    Montréal, Quebec, Canada
    A Volatile Excursion from Mercury and the Moon to the Kuiper Belt and Beyond. At Dawson College.
    $125 – $275
    — University of Hong Kong Laboratory for Space Research (HKU-LSR), National Astronomical Observatories of the Chinese Academy of Sciences (NAOC-CAS), Chilean Astronomical Society,
    Hong Kong, China
    The 7th China-Chile Bilateral Astronomy Conference for 2026 will be organized by the Laboratory for Space Research, FoS, the University of Hong Kong, in collaboration...

    Tuesday

    — Lunar Exploration Analysis Group (LEAG),
    Laurel MD, USA
    At Johns Hopkins University Applied Physics Laboratory or online, registration required, no fee. In-person attendees who self-identify as early career or new to the lunar...
    Free

    Wednesday

    — National Science Foundation (NSF),
    Online / Washington DC, USA
    From 15:00-16:00 EST, National Science Foundation (NSF) Growing Convergence Research (GCR) working group will provide guidance on preparing GCR proposals, address frequently asked questions and...
    — 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 Center; 10:00-16:00 MST. Event Details:...

    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 Robinson Nature Center, 6692 Cedar...

    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 to 04:54:02 HST.

    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 06:29:49 in the ENE.

    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 apply for both early-career opportunities...

    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 staff as they examine and...
    — 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 community-building activities; at University of...

    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 Fame, Diversity, Excellence in Industry,...

    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 the four terrestrial planets of...

    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 science/ / technical facility. STEM...
    — 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, images, sketches and data use.

    Saturday

    — Astronaut Scholarship Foundation (ASF),
    West Palm Beach FL, USA
    NASA Astronauts Bob Crippen and Chris Ferguson will share personal highlights, stories and special moments of these historic flights, 45 years after STS-1 and 15...
    $1,000

    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 pad test: Command Pilot Virgil...
    — 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 to establish Sarawak as Borneo’s...

    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 accident 28 January 1986: Commander...
    — 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 27).
    — 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 eager to showcase cutting-edge space...

    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 of tomorrow using space data...
    — 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 international finals April 1-2, winners...

    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 life ongoing, and Interstellar craft...
    — 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 documentary films: On the Way...
  • 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 D. Husband, Mission Specialist Laurel...
    — China National Space Administration (CNSA),
    Mars Orbit
    China Tianwen-1 orbiter reaches 5 full years / begins 6th year of operations in Mars orbit; Lander & Rover touched down ~3 months after this...

    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 industry. As the only 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, career panels, and community events.

    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 forge strategic alliances and collaborate...

    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, Pilot Victor Glover, Mission Specialists...
    — 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 a larger and larger role...

    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; launched July 19, 2020 on...

    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 generation solutions.
    $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, human activities, science, and both...

    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 for managing its 70,000-person workforce...

    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 on this day in 2021;...
    — 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 in grant funding. At JW...
    $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 Security and Law in partnership...

    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 staff as they examine and...

    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, and the exploration of solar...

    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 Lunar Territorial Allocations, Space Governance...
    $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, and academia come together to...
  • 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 virtual format only.  Continue to...

    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 Hemisphere and as the autumnal...

    Sunday

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

    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 110+​ ​countries in Washington, D.C.
    $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 1981.
    — 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 whether craft will carry crew...

    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...

    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...

    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 Hotel & Cheyenne Mountain Resort.
    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 Constellation Lyra. They actually derive...

    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.

    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...
  • 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 the SHS Centennial Plaque.
    — 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...

    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, subsurface structure, surface morphology, up...
    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 from countries across the Asia...

    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 2021 in Utopia Planitia, Mars...

    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 for Kennedy declaring to congress “I...

    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...
    €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 to Earth.
    — 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 atmosphere for 5 minutes at...

    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 space private sector, the mining...