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  • March 2026

  • Sun 15

    Launch Falcon 9 / Starlink Group 10-46

    Mar 15
    SLC-40 (~28°N), Cape Canaveral SFS FL, USA
    Launch window 07:11-11:11 EDT (01:11-05:11 HST) for 29 internet satellites; after this 11th re-use booster B1090 expected to land on...
  • Mon 16

    Goddard: Celebrating 100 Years Since Launch of 1st Liquid-Fueled Rocket

    Mar 16
    Worldwide / Auburn MA, USA
    “Tried rocket at 2:30,” Robert Hutchings Goddard recounted in his diary on that frosty afternoon in 1926 at “Aunt Effie’s...
  • Mon 16

    Spacewalk Preview News Conference

    Mar 16
    Online
    Streaming live at 14:00 EDT | 08:00 HST | UTC-4 on NASA YouTube channel, news conference participants include: Bill Spetch,...
  • Mon 16

    March Storm: Meetings with US Congressional Staffers

    Mar 16 - Mar 18
    Washington DC, USA
    Volunteers will advocate for space-related support and funding with members of United States Senate and US House of Representatives or...
    $50
  • Mon 16

    57th Lunar and Planetary Science Conference (LPSC)

    Mar 16 - Mar 20
    The Woodlands TX, USA
    Expecting 2,000+ for the latest science, research, discoveries; at Waterway Marriott and online. Abstract peer review drives selection of presenters...
    $400 – $700
  • Tue 17

    Meet NASA Astronaut Steve Smith

    Mar 17
    Kennedy Space Center Visitor Complex FL, USA
    Astronaut Steven L. Smith flew as Mission Specialist on 3 Space Shuttles, Endeavor, Discovery and Atlantis, for 4 missions, STS-68,...
    US$62 – US$187
  • Tue 17

    Saint Patrick’s Day Greeting from the International Space Station

    Mar 17
    Online
    With NASA Astronaut Catherine "Cady" Coleman, who plays Irish tunes on two flutes while traversing above Ireland several times in...
  • Wed 18

    ISS / U.S. EVA #94

    Mar 18
    Low Earth Orbit (LEO)
    NASA Astronauts Jessica Meir and Chris Williams will conduct U.S. spacewalk 94, exiting the Quest airlock at about 08:00 EDT | 12:00...
  • Wed 18

    Goddard: Launching the Next 100 Years: Industry, Innovation & the Future of Space

    Mar 18
    Worcester MA, USA
    Commemorating 100th anniversary of Robert H. Goddard’s historic rocket launch, open to the public, a panel including AIAA* President Dan...
  • Wed 18

    Abstracts Due for Lunar Surface Innovation Consortium Spring Meeting

    Mar 18
    Online
    Due by 23:59 EDT for event April 28-30, 2026. Submit abstracts at https://lsic.jhuapl.edu/Events/Abstracts/index.php?i=63600020
  • Wed 18

    Lunar Exploration Analysis Group: LEAG Town Halls

    Mar 18
    Online / The Woodlands TX, USA
    At 11:00 CDT in-person at The Woodlands TX, USA, and Online at 15:00 CDT / UTC-5, both including an update...
  • Wed 18

    2nd Conference on Earth-Space Sustainability: Law, Stewardship, Equity

    Mar 18 - Mar 20
    Leiden, The Netherlands
    Earth and outer space have become increasingly intertwined environmentally, politically and philosophically, as satellite constellations multiply, lunar activities expand, and...
    €200
  • Thu 19

    Intuitive Machines Telecon for Financial Results: Q4 & FY 2025

    Mar 19
    Online
    "Before the market opens" Following the news release, at 08:30 EDT, the Company will host a conference call to discuss the...
  • Thu 19

    Launch Spectrum / Onward and Upward

    Mar 19
    Andøya Spaceport, ~63°N, Norway
    Launch window 17:00-18:00 GFT (10:00-11:00 HST) for 2nd test flight of Isar Spectrum launch vehicle, to carry 5 cubesats to...
  • Thu 19

    Astronaut Tony Antonelli Welcomes Astronaut Scholarship Foundation Awardees

    Mar 19
    Auburn AL, USA
    Dominic Anthony "Tony" Antonelli was Space Shuttle Pilot for Discovery and Atlantis. At Auburn University Brown-Kopel Center Grand Hall, 11:30...
  • Thu 19

    Advancing the Frontline of Space Business from Wakayama

    Mar 19
    Spaceport Kii, ~33.5N, Kushimoto, Wakayama Prefecture, Japan
    Kii Space HUB FY2025 Annual Report Meeting, includes a planned site visit to Spaceport Kii. Speaker is from the Kii...
  • Thu 19

    Webinar: Earth Observation at a Turning Point

    Mar 19
    Online
    At 11:00 EDT | 15:00 UTC, subtitled "Who Benefits, Who Leads & What Comes Next?", session will address cloud computing,...
  • Thu 19

    Firefly Aerospace Telecon for Q4 2025 Financial Results

    Mar 19
    Online
    At 17:00 EDT | 21:00 UTC, livestreamed on company web page https://investors.fireflyspace.com/events-resources/events.
  • Fri 20

    NET March 20 Launch Kinetica-2 / Prototype Qingzhou-1

    Mar 20
    Jiuquan Space Launch Center, ~41°N, Gansu, China
    53-meter launcher to carry prototype cargo spacecraft designed for Tiangong Space Station resupply. Kinetica-2 capable of delivering up to 12,000...
  • Fri 20

    March Equinox

    Mar 20
    Worldwide
    Occurs 04:45 HST / 14:45 UTC; March equinox is known as the vernal equinox (or spring equinox) in the Northern...
  • Fri 20

    Film: SPACEWOMAN About Eileen Collins

    Mar 20
    New York NY, USA
    Quad Cinema, 34 West 13th Street, will inaugurate showings of this film; 12:55, 14:45, 17:05, 19:00, 21:20 EDT. Their description:...
  • Fri 20

    Artemis II Roll-Out to Launch Pad

    Mar 20
    SLC-39B, ~29°N, Kennedy Space Center FL, USA
    Anticipated return to Launch Complex 39B of Artemis II stack -- SLS and Orion capsule -- ahead of anticipated April...
  • Sat 21

    Webinar: DC-X, the 1st Reusable VTOL Rocket Enabling Modern Space Access

    Mar 21
    Online
    With Jess Sponable, President and CTO for New Frontier Aerospace, and Nino Polizzi, aerospace engineer and instructor for Samueli Academy....
  • Sat 21

    3-2-1 Day: Celebrate with the Space Coast Community

    Mar 21
    Titusville FL, USA
    3rd annual event celebrates the last 3 seconds before blastoff, Brevard County, the Space Coast community, and Robert "Ozzie" Osband....
  • Sat 21

    Entries Close: Win a Celestial Escape to Mauna Kea + a Private Q&A with Bill Nye

    Mar 21
    Online
    Enter by 23:59 PDT (UTC-7) (for a chance to experience Hawai‘i’s legendary night skies while supporting The Planetary Society’s mission...
    US$25
  • Sat 21

    AIAA Region VI Student Conference

    Mar 21 - Mar 22
    San Luis Obispo CA, USA
    Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given...
  • Sun 22

    Launch Soyuz 2.1a / Progress MS-33 (94P)

    Mar 22
    Baikonur Cosmodrome, ~46°N, Kazakhstan
    16:59 UTC+5 (01:59 HST) to launch resupply mission to the International Space Station that was delayed from December 2025 after...
  • Sun 22

    African Lunar Symposium 2026

    Mar 22
    Kasane, Botswana
    Part of 2026 African Astronomical Society Conference in Botswana April 22-27 and in collaboration with NASA SSERVI, features presentations on...
  • Sun 22

    Goddard: Father of the Space Age

    Mar 22
    Worcester MA, USA
    Space‑themed event at Hanover Theatre & Conservatory to celebrate the 100th anniversary of humanity’s first modern rocket launch—achieved by Worcester’s...
  • Sun 22

    2026 African Astronomical Society (AfAS) Conference

    Mar 22 - Mar 27
    Kasane, Botswana
    At Wild View Resorts, 80 President Avenue, to bring together Africa’s astronomy and space science community alongside global collaborators, to...
  • Mon 23

    Space Science Week 2026

    Mar 23 - Mar 27
    Washington DC, USA
    Explore the latest developments and discuss the future of the space science from a variety of perspectives, from planetary protection...
  • Mon 23

    Applications Due: NASA Planetary Science Summer School

    Mar 23
    Online
    38th Annual Planetary Science Summer School (PSSS) is a 3-month early career experience at Jet Propulsion Laboratory in Pasadena CA...
  • Mon 23

    Washington Space Business Roundtable Annual Flagship Luncheon and Silent Auction

    Mar 23
    Online / Washington DC, USA
    WSBR promotes commercial space business and education. 11:00-13:30 EDT. Tax-deductible donations of goods and services benefit STEM students in the...
  • Mon 23

    SatShow Week

    Mar 23 - Mar 26
    Washington DC, USA
    Satellite industry "first and largest experience of the year" with 15,000+ registrants and 450+ exhibitors — uniting commercial innovators, government...
    $149
  • Mon 23

    Munich Space Summit: Merging Visions, Shaping the Future

    Mar 23 - Mar 27
    Munich, Germany
    Merging two space events into one: Munich New Space Summit and Munich Satellite Navigation Summit, March 23-25 focusing on former,...
    €300
  • Tue 24

    Astronaut Tony Antonelli Greets Awardees of the Astronaut Scholarship Foundation

    Mar 24
    Clemson SC, USA
    Dominic Anthony "Tony" Antonelli was Space Shuttle Pilot for Discovery and Atlantis. 13:00 EDT at Cribb Hall, Clemson University.
  • Tue 24

    Launch Electron / Daughter Of The Stars (LEO-PNT Pathfinder A)

    Mar 24
    Launch Complex 1, ~39°S, Mahia Peninsula, New Zealand
    To include 10 ESA PNT satellites to work with Galileo and EGNOS constellations, 2 ESA demo satellites for Celeste planned...
  • Tue 24

    Young / Early Career Professionals Mixer with the AIAA Los Angeles Section

    Mar 24
    Hawthorne CA, USA
    American Institute of Aeronautics & Astronauts (AIAA) Los Angeles Section, 17:30-20:00 PDT at Los Angeles Ale Works, 12918 Cerise Avenue,...
  • Tue 24

    Progress MS-33 Docks to International Space Station

    Mar 24
    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...
  • Tue 24

    Shaping the New Space Age

    Mar 24
    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...
  • Tue 24

    IAF Spring Meetings 2026

    Mar 24 - Mar 26
    Paris, France
    At Newcap Event Center, 3 Quai de Grenelle, 15th arrondissement, near the Eiffel Tower and Porte de Versailles; Includes a...
  • Wed 25

    National Academies of Sciences Webinar: Imagination in Science

    Mar 25
    Online
    Space Science Week 2026 Keynote Public Lecture, 19:00-20:30 EDT (UTC-4), "An Instrument Nature Can Play: Data, Sound, and the Work...
  • Wed 25

    Space Diplomacy Forum

    Mar 25
    Washington DC, USA
    As space becomes increasingly multipolar, commercialized and contested, the need for international cooperation has never been greater. Meridian’s Space Diplomacy...
  • Wed 25

    Tech Showcase Submissions Due for Lunar Surface Innovation Consortium Spring Meeting

    Mar 25
    Online
    Due no later than 23:59 EDT for conference April 28-30. Send questions on how your technology can be showcased to...
  • Wed 25

    National Space Society Young Professionals Virtual Community

    Mar 25
    Online
    18:00-19:00 EDT / UTC-4; NASA Astronaut and Boeing Starliner Commander Chris Ferguson is featured, with his career journey, lessons learned...
  • Wed 25

    Kii Space HUB FY2025 Annual Online Meeting

    Mar 25
    Online
    15:00-17:00 Japan Time | 06:00-07:00 UTC | With Kii Space HUB Director & Chief Strategy Officer, Sato.
  • Wed 25

    SatShow 2026 Reception and Industry Gathering

    Mar 25
    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,...
  • Wed 25

    The Future of Low Earth Orbit: From the ISS to Commercial Platforms

    Mar 25
    Online / Washington DC, USA
    US House of Representatives Committee on Science, Space and Technology will hear from Joel Montalbano, NASA Acting Associate Administrator for...
  • Wed 25

    Ground Control #2 – From Mars to the Moon

    Mar 25
    Oslo, Norway
    Guest is University of Oslo Professor Svein-Erik Hamran, who built RIMFAX, the first radar ever to operate on the surface...
  • Wed 25

    PocketQube Conference 2026

    Mar 25 - Mar 27
    Glasgow, Scotland
    9th annual conference addressing development of "pico" satellites, providing forum for collaboration among industry and academia. At Glasgow University Union...
    €86 – €130
  • Thu 26

    Science for a New Era of Exploration: The Path from the Moon to Mars

    Mar 26
    Online / Washington DC, USA
    Annual symposium on Science Priorities, Readiness, and Enterprise Integration, at Holiday Inn on the National Mall, 550 C Street SW,...
  • Thu 26

    Webinar: Moonlit Talk–When is the Moon truly “for everyone”?

    Mar 26
    Online
    09:00 PDT | 12:00 EDT | 18:00 CET | UTC+1; Featuring perspectives that have not traditionally shaped space governance --...
  • Thu 26

    Federal Communications Commission Meeting Including “Weird Space Stuff”

    Mar 26
    Online / Washington DC, USA
    Online, https://www.fcc.gov/live, and at FCC offices, 45 L Street Northeast, 10:30-12:30 EDT | March Open Commission Meeting includes agenda item:...
  • Thu 26

    Lunar Surface Innovation Consortium: Surface Power Telecon

    Mar 26
    Online
    LSIC Surface Power Focus Group online discussion of dust-toleration connectors for lunar surface applications. Jorge Núñez, from Johns Hopkins Applied...
  • Thu 26

    CanSat Competition and UK Youth Rocketry Challenge Regional Finals

    Mar 26 - Mar 27
    Llanbedr, UK
    At Snowdonia Space Centre. CanSat competition is organized by the UK European Space Education Resources Office (ESERO-UK), supported by the European...
  • Thu 26

    2nd IAA Moon Farside Protection Symposium

    Mar 26 - Mar 27
    Paris, France
    The Moon naturally shields electromagnetic waves generated by human activities on Earth and around it, results in a silence zone...
  • Fri 27

    Panel Discussion: Women in Space: The Architects of Space

    Mar 27
    London, United Kingdom
    17:30 UT, in person and online, this event brings together leading women from across the space industry to explore the...
  • Fri 27

    Earth & Space Report Featuring Jordan Bretzfelder on Planetary Analogs

    Mar 27
    Online
    William Waller invites Dr. Bretzfelder from Georgia Tech to discuss via Zoom "Planetary Analogs: Simulating the Solar System in our...
  • Fri 27

    AIAA Region IV Student Conference

    Mar 27 - Mar 29
    Houston TX, USA
    Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given...
  • Fri 27

    Guided Tour of Lunar Analog Craters with Planetary Geologist Kirby Runyon

    Mar 27 - Mar 30
    El Paso TX, USA
    With guests Astronaut Chris "Hanks" Sembroski and daughter, included is tour of Virgin Galactic launch site and simulated human mission...
    $999
  • Sat 28

    Artemis II: Pathway to the Moon

    Mar 28
    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,...
  • Sun 29

    Abstracts Due for 2026 Astrodynamics Specialist Conference

    Mar 29
    Online
    Convening July 26-30 at Hilton Whistler Resort & Spa in Whistler, British Columbia, Canada, the conference welcomes technical papers spanning...
  • Mon 30

    Virgin Galactic 4th Q 2025 / FY 2025 Financial Results

    Mar 30
    Online
    Telecon at 17:00 EDT, 14:00 PDT, 11:00 HST.
  • Mon 30

    Launch Falcon 9 / Transporter 16 (Dedicated SSO Rideshare)

    Mar 30
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window 03:20-04:17 PDT | 00:20-01:17 HST | 10:20-11:17 UTC for dozens of small microsatellites and nanosatellites for commercial and...
  • Mon 30

    International Space University ISU-DC Space Café

    Mar 30
    Washington DC, USA
    Washington DC-area US Alumni Association features Marcella Kneppers and Bastiaan van den Berg. Kneppers is Kingdom of the Netherlands Senior...
  • Mon 30

    Launch Tianlong-3 / Demo Flight

    Mar 30
    Jiuquan Space Launch Center, ~41°N, Gansu, China
    Launch window 19:00-21:14 China Time | 01:00-03:14 HST | 11:00-13:14 UTC by Space Pioneer of Beijing, a private launch company...
  • Mon 30

    STC2026: Central Eurasia Space Technology Conference

    Mar 30 - Apr 1
    Tashkent, Uzbekistan
    5th annual event, expecting 500+ attendees and 40+ speakers, discussing space and satellite business among space agencies and industry. At...
    £995 – £1195
  • Tue 31

    Orbital Data Centers Series: The Energy Imperative

    Mar 31
    Online
    A conversation on the energy and computing needs driving the push toward orbital data centers. No cost, registration required. With...
  • Tue 31

    Launching the UAE to Orbit

    Mar 31
    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...
  • Tue 31

    Abstracts Due for Space Renaissance International World Congress IV

    Mar 31
    Online
    To be held June 30-July 4, 2026. Online event held every 5 years, keynote speakers include SRI president Bernard Foing,...
  • April 2026

  • Wed 1

    ISS / U.S. EVA #95

    Apr 1
    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...
  • Wed 1

    NET Apr 1 — Launch SLS / Orion / Artemis 2

    Apr 1
    SLC-39B, ~29°N, Kennedy Space Center FL, USA
    Launch window 18:24-20:24 EDT | 22:24 UTC | 12:24 HST for crew of 4 in Orion spacecraft on around-the-Moon flight...
  • Wed 1

    45th Observation of STS-1 Columbia Flight

    Apr 1
    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...
  • Wed 1

    NET April 1: Launch Zhuque-3 / Test

    Apr 1
    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...
  • Wed 1

    Webinar: STEM Admission to Universities

    Apr 1
    Online
    Majoring in STEM is popular among Singapore students, but university admissions do not evaluate all applicants equally! Join Crimson Education...
  • Wed 1

    ActInSpace International Event – Second Stage

    Apr 1 - Apr 2
    Bordeaux, France
    Winners of the local hackathons will compete for international semi-finals and finals. This event takes place every two years and...
  • Thu 2

    Engines of a Space Nation: Skyrora’s Propulsion Innovations and the Future of UK Launch, with Dr Mykhailo Andriievskyi

    Apr 2
    London, United Kingdom
    19:00 UT, in person and online, join us for a special evening with Dr. Mykhailo Andriievskyi, Head of Propulsion Department...
  • Thu 2

    Pink Moon

    Apr 2
    Moon Orbit
    02:12 UTC (14:12 HT)
  • Thu 2

    Applications Due: NASA Postdoctoral Fellowship

    Apr 2
    Online
    NASA Postdoctoral Program offers US and international scientists the opportunity to advance their research while contributing to NASA’s scientific goals....
  • Thu 2

    Launch Soyuz-5 / Demo Flight

    Apr 2
    Baikonur Cosmodrome, ~46°N, Kazakhstan
    Launch scheduled for 16:00 Kazakhstan Time | 01:00 HST | 11:00 UTC for new launch vehicle, Soyuz-5, called "Irtysh", that...
  • Thu 2

    Launch Falcon 9 / Starlink Group 17-35

    Apr 2
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window 17:03-21:03 PDT | 13:03-17:03 HST | 23:03 Apr 2 - 03:03 Apr 3 UTC for 25 internet satellites...
  • Fri 3

    Kennedy Under the Stars: Yuriʻs Night Edition

    Apr 3
    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)....
    US$65
  • Sat 4

    Perihelion of Comet C / 2026 A1 (MAPS)

    Apr 4
    Deep Space
    Predicted date for the comet to make a close pass by the Sun (perihelion), potentially triggering a sudden brightening and...
  • Sun 5

    Meet Astronaut Roger Crouch

    Apr 5 - Apr 7
    Kennedy Space Center Visitor Complex FL, USA
    NASA Astronaut and scientist, he flew on Space Shuttle Columbia for STS-83 and STS-94, flew on 5 Spacelab flights, led...
  • Mon 6

    Spacecraft Design, Development, and Operations – Online Short Course

    Apr 6
    Online
    Through May 13; Don Edberg -- Professor of Aerospace Engineering, Cal Poly Pomona; Adjunct Lecturer, Astronautical Engineering, University of Southern...
    US$695 – US$1595
  • Mon 6

    World Conference on Aerospace and Aeronautics (WCAA-2026)

    Apr 6 - Apr 8
    Tokyo, Japan
    A dynamic platform for professionals, engineers, academics, and industry leaders to share knowledge, present groundbreaking research, and explore the latest...
  • Tue 7

    Launch Long March 8 / Unknown Payload

    Apr 7
    Wenchang Space Launch Center, ~19°N, Hainan Island, China
    Launch window 21:30-21:47 China Time | 03:30-03:47 HST for 9th launch from Commercial LC-1, 59th launch from Wenchang. Long March...
  • Tue 7

    Aerospace Perspectives Series: The Accelerating Pace of Physics AI Modeling and What It Means for the Aerospace Industry

    Apr 7
    Online
    Webinar with Juan Alonso, CTO and Cofounder, Luminary Cloud; Chair, Department of Aeronautics and Astronautics, Stanford University; at 14:00-15:00 EDT...
  • Tue 7

    Minding the LEO Gap and the Future of Commercial Space Stations

    Apr 7
    Online
    Examining the findings of the Beyond Earth Institute’s 2025 Commercial Space Stations Working Group report, which evaluates whether NASA’s multi-phase...
  • Tue 7

    Launch Minotaur IV / STP-S29A

    Apr 7
    SLC-8 (~35°N), Vandenberg SFB CA, USA
    Launch window 07:30-12:30 PDT | 01:30-06:30 HST for an ESPA class satellite based on the Aegis Aerospace M-1 satellite bus...
  • Tue 7

    5th International Academy of Astronautics (IAA) Conference on Space Situational Awareness (ICSSA)

    Apr 7 - Apr 9
    Madrid, Spain
    At GMV, Santiago Grisolia 4, Tres Cantos. Conference Chair is Riccardo Bevilacqua of Embry-Riddle Aeronautical University. The foremost purpose of...
  • Tue 7

    2026 NASA Human Research Program Investigators’ Workshop (HRP IWS)

    Apr 7 - Apr 9
    Online
    HRP IWS is the primary venue for reporting progress and results from HRP-funded research and technology tasks to Program Management,...
  • Tue 7

    5th IAA Conference on Space Situational Awareness

    Apr 7 - Apr 9
    Madrid, Spain
    The foremost purpose of Space Situational Awareness (SSA) is to provide decision-making processes with a quantifiable and timely body of...
  • Wed 8

    Launch Falcon 9 / Cygnus CRS-2 NG-24

    Apr 8
    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...
  • Wed 8

    Silicon Valley Astronomy Lecture: The NASA Psyche Mission: First Journey to an Unknown World

    Apr 8
    Los Altos Hills CA, USA
    Lindy Elkins-Tanton, Director of the Space Sciences Laboratory at the University of California, Berkeley, will give an illustrated, non-technical lecture...
  • Thu 9

    Space Weather and Space Systems – Online Short Course

    Apr 9
    Online
    Through May 14, this course will demystify the space weather topic, new to many people, as it affects a wide...
    US$1595 – US$1795
  • Thu 9

    Where Community College Technical Education Meets Space Innovation

    Apr 9
    Online
    For STEM educators and for students interested in aerospace careers, a chance to hear from a NASA apprentice who will...
  • Thu 9

    Lunar Surface Innovation Consortium (LSIC) Surface Power April Telecon

    Apr 9
    Online
    Bri DeMattia (NASA Glenn Research Center) will present the work of NASA’s Safe, Innovative, Interoperable Modular Power for Lunar Exploration...
  • Thu 9

    AIAA-SF Young Professionals Happy Hour

    Apr 9
    Mountain View CA, USA
    At Ludwig's Biergarten, 383 Castro St, Mountain View, CA 94041, Apr. 9, 2026, 5 - 6:30pm
  • Thu 9

    Launch Long March 6A / Unknown Payload

    Apr 9
    Taiyuan Satellite Launch Center (TSLC), ~39°N, Shanxi, China
    Launch window 03:35-03:46 China Time April 9 | 09:35-09:46 HST April 8 for the 23rd launch from Launch Complex 9A,...
  • Thu 9

    Launch Falcon 9 / Starlink Group 17-21

    Apr 9
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window 22:39 April 9 - 02:39 April 10 PDT | 16:39-20:39 April 9 HST for 25 internet satellites; Booster...
  • Fri 10

    Ground Control #3: Space and the AI Revolution

    Apr 10 @ 12:00 am HST
    With guest Arnt-Børre Salberg of the Norwegian Computing Center, partner with ESA for THOR Earth observation, a shared platform available...
  • Fri 10

    Artemis II Splashdown in the Pacific Ocean Near San Diego CA, USA

    Apr 10
    Pacific Ocean
    Expected for 17:07 PDT | 14:07 HST | 20:07 EDT | 00:07 UTC, after ~10-day journey around the Moon and...
  • Fri 10

    Pōwehi Day

    Apr 10
    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...
  • Fri 10

    From Earth to the Universe: At Robinson Planetarium

    Apr 10
    Adrian MI, USA
    In honor of Astronomy Month, celebrated around the Earth, this full-dome planetarium program takes the audience out to the colorful...
  • Fri 10

    Space Generation Fusion Forum SGFF 2026

    Apr 10 - Apr 13
    Colorado Springs CO, USA
    Held annually in conjunction with the Space Symposium, SGFF is a multi-day, high-intensity, fast-paced professional development and networking event focused...
  • Sat 11

    25th Yuri’s Night Celebration

    Apr 11
    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...
  • Sat 11

    Maunakea Observatories’ Participation in Annual Merrie Monarch Parade

    Apr 11
    Hilo HI, USA
    MKO staff, ʻohana and community partners are invited to march in the annual Merrie Monarch Parade representing the Maunakea Observatories....
  • Sat 11

    Oklahoma Space Alliance Meeting

    Apr 11
    Norman OK, USA
    14:00 CDT at Cyber Hall, 914 W Main St, opposite Norman High School; prospective members are welcome. Agenda: Introductions and...
  • Sun 12

    65th Commemoration of Human Spaceflight / Cosmonautics Day

    Apr 12
    Worldwide
    Celebrating Yuri Gagarin, the 1st human to orbit Earth on Vostok 1 spacecraft in 1961; the flight lasted 108 minutes...
  • Sun 12

    Yuri’s Night Celebrations

    Apr 12
    Worldwide
    Launching parties around the world every year on or around April 12th, in commemoration of Yuri Gagarin becoming the first...
  • Sun 12

    Launch Falcon 9 / Starlink Group 10-24

    Apr 12
    SLC-40 (~28°N), Cape Canaveral SFS FL, USA
    Launch window 02:57 - 06:57 EDT | 20:57 Apr 11 - 00:57 Apr 12 HST for 29 internet satellites; Booster...
  • Sun 12

    AIAA Region I Student Conference

    Apr 12 - Apr 13
    College Park MD, USA
    Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given...
  • Mon 13

    Registration Due: Lunar Surface Innovation Consortium Spring Meeting

    Apr 13
    Online
    23:59 EDT | 03:59 UTC April 14. No cost for Online attendance; US$150-220 for in-person (Laurel MD, USA). Theme Accelerate...
    US$1 – US$220
  • Mon 13

    ASCE Earth & Space 2026 Conference

    Apr 13 - Apr 16
    College Station TX, USA
    20th International Conference on Engineering, Science, Construction and Operations in Challenging Environments: ASCE Earth & Space 2026
  • Mon 13

    41st Space Foundation Space Symposium

    Apr 13 - Apr 16
    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
  • Mon 13

    Satellite Building Workshop

    Apr 13 - Apr 17
    Singapore
    For undergraduates in STEM-related courses. At Singapore Institute of Technology (SIT)
  • Mon 13

    UN COPUOS Legal Subcommittee (LSC) Meeting

    Apr 13 - Apr 24
    Vienna, Austria
    65th session of the UN COPUOS Legal Subcommittee (LSC). Informal meetings and consultations are expected to take place on April...
  • Tue 14

    Launch Vehicle Avionics Systems Design and Applications – Online Short Course

    Apr 14 - Apr 30
    Online
    George N. Andrew, with 46+ years of experience relating to launch vehicle, spacecraft / instrument avionics architecture, design, manufacturing, integration...
    US$495 – US$1095
  • Tue 14

    Launch Kinetica 1 / Unknown Payload

    Apr 14
    Jiuquan Space Launch Center, ~41°N, Gansu, China
    Scheduled for Noon-12:15 China Time | 04:00 UTC | 18:00 HST April 13, rescheduled from Dec 2025; Kinetica is a...
  • Tue 14

    Launch Falcon 9 / Starlink Group 10-24

    Apr 14
    SLC-40 (~28°N), Cape Canaveral SFS FL, USA
    Launch window 02:13-06:13 EDT | 20:13 Apr 13 - 00:13 Apr 14 HST, for 29 internet satellites. Booster B1080 planned...
  • Tue 14

    Launch Falcon 9 / Starlink Group 17-27

    Apr 14
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window 19:00-23:00 PDT | 16:00-20:00 HST, for 25 internet satellites. Booster B1082 expected to land on ASDS OCISLY after...
  • Tue 14

    Online Seminar on Power and Propulsion Systems

    Apr 14
    Online
    With Tim Lieuwen of Georgia Institute of Technology, 13:00-14:00 EDT | 07:00-08:00 HST, spanning from fundamentals to current applications and...
  • Tue 14

    CubeSat Developers Workshop 2026 (CDW26)

    Apr 14 - Apr 16
    San Luis Obispo CA, USA
    At Cal Poly campus building number 06, Performing Arts Center (PAC). Workshop sessions include: Core Hardware / Mechanisms, Radiation &...
    US$100 – US$700
  • Tue 14

    26th Integrated Communication, Navigation and Surveillance (ICNS) Conference

    Apr 14 - Apr 16
    Washington DC, USA
    Addressing technology and policy advances in CNS research, development and implementation programs, and policies related to CNS/ATM capabilities and applications....
    US$550
  • Wed 15

    Abstracts Due for International Space Development Conference (ISDC 2026)

    Apr 15
    Online
    44th annual ISDC to be held Jun 4 - Jun 7 in McLean VA, USA, to bring together visionaries in spaceflight, the NewSpace...
  • Wed 15

    NASA Partnership Days

    Apr 15 - Apr 16
    Edwards CA, USA
    At NASA Armstrong flight Research Center, for companies, government agencies and organization to explore collaboration opportunities in advanced research and...
  • Wed 15

    AIAA Defense Forum 2026

    Apr 15 - Apr 18
    Laurel MD, USA
    AIAA secret / NOFORN event covering the strategic, programmatic, and technical topics and policy issues pertaining to the aerospace and...
  • Thu 16

    ICGAC2026: 2nd International Conference on Gravitation, Astrophysics and Cosmology

    Apr 16 - Apr 18
    Paris, France
    Themes include Beyond Gravity and Cosmic Understanding, as described by conference Chair Carlo Viberti of SpaceLand Italy.
  • Thu 16

    30th Annual Design / Build / Fly Competition

    Apr 16 - Apr 19
    Wichita KS, USA
    Applied Aerodynamics, Aircraft Design, Design Engineering and Flight Test Technical Committees of AIAA all pitch in to call forth enthusiastic...
  • Fri 17

    Launch Long March 2D / Unknown Payload

    Apr 17
    Jiuquan Space Launch Center, ~41°N, Gansu, China
    Launch window 12:10-12:24 China Time | 18:10-18:24 Apr 16 HST of 2-stage rocket used for taking satellites to LEO and...
  • Fri 17

    From Earth to the Universe: At Robinson Planetarium

    Apr 17
    Adrian MI, USA
    In honor of Astronomy Month, celebrated around the Earth, this full-dome planetarium program takes the audience out to the colorful...
  • Sat 18

    8th Anniversary of Transiting Exoplanet Survey Satellite (TESS) Launch

    Apr 18
    High Earth Orbit (HEO)
    Space telescope for NASA Explorers program reaches 8th full year in space today, designed to search for exoplanets using the...
  • Sat 18

    Launch Falcon 9 / Starlink Group 17-22

    Apr 18
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window 07:00-11:00 PDT | 04:00-08:00 HST for 25 internet satellites. Booster B1097 expected to land on ASDS OCISLY after...
  • Sun 19

    Launch New Glenn / BlueBird Block 2 #2

    Apr 19
    SLC-36A, Cape Canaveral SFS FL, ~28°N, USA
    Launch window 06:45-09:43 EDT | 00:45-03:43 HST for one AST Space Mobile satellite for cellular broadband, which features ~223-square-meter communications...
  • Sun 19

    Planetary Society’s Day of Action

    Apr 19 - Apr 20
    Washington DC, USA
    Annual advocacy event that connects space advocates with their members of Congress in Washington D.C. Training 13:00-17:00 Sunday Apr 19....
    US$30 – US$54
  • Mon 20

    Launch Falcon 9 / GPS III SV10

    Apr 20
    SLC-40 (~28°N), Cape Canaveral SFS FL, USA
    Launch window open 02:48-04:05 EST | HST is 20:48-22:05 on Apr 19; 10th of 10 navigation satellites to MEO; 1st...
  • Mon 20

    Rollout of Artemis III Rocket Section

    Apr 20
    New Orleans LA, USA
    Top four-fifths of the Space Launch System (SLS) core stage will be moved from NASA Michoud Assembly Facility to load...
  • Mon 20

    NewSpace Africa Conference – Inclusive Growth: Expanding Space Benefits to all Africans

    Apr 20 - Apr 23
    Libreville, Gabon
    This 5th conference expects 600+ participants from 200+ organizations in 65+ countries, including 50+ African governments, to hear 60+ speakers...
    €300
  • Mon 20

    24th IAA Humans In Space Symposium

    Apr 20 - Apr 24
    Montecatini, Italy
    A platform for a fruitful discussion of fundamental problems and practical issues, exchange of research results and ideas in space...
    €100 – €700
  • Mon 20

    BeyondHubble: Revisiting the Hubble Sequence Across Cosmic Time

    Apr 20 - Apr 24
    Cambridge, United Kingdom
    A meeting revisiting the Hubble Sequence 100 years on: Linking the morphological evolution of galaxies across cosmic time. Invited Speakers: Angela Adamo (Stockholm University) Oscar Agertz (Lund...
  • Tue 21

    Launch Falcon 9 / Starlink Group 17-14

    Apr 21
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window open 13:00-17:00 PDT | 16:00-20:00 HST for 25 internet satellites. Booster B1100 planned to land on ASDS OCISLY...
  • Tue 21

    Launch HASTE / Bubbles

    Apr 21
    SLC-2, ~38°N, Wallops Flight Facility VA, USA
    Launch window 20:00 Apr 21 - 01:00 Apr 22 EDT | 14:00-19:00 HST for sub-orbital Hypersonic Accelerator Suborbital Test Electron...
  • Tue 21

    AIAA Los Angeles Section Town Hall Meeting: James Webb Space Telescope

    Apr 21
    Lomita CA, USA
    Origins, Development, Operation and Lessons Learned from NASA's James Webb Space Telescope with Jonathan Arenberg, Northrop Grumman Fellow and Chief...
  • Tue 21

    Lyrids Meteor Shower Peak

    Apr 21 - Apr 22
    Worldwide
    Best seen from Northern Hemisphere, with a lower hourly rate in the Southern Hemisphere, Lyrids seem to stream from the...
  • Tue 21

    Mars Exploration Program Analysis Group Meeting

    Apr 21 - Apr 23
    Baltimore MD, USA
    MEPAG Hybrid Meeting #43, online and in Baltimore at Johns Hopkins at Mt Washington, Susquehanna Room, 6225 Smith Avenue. No...
  • Wed 22

    Astronaut Fred Gregory Welcomes Astronaut Scholarship Awardees

    Apr 22
    Los Angeles CA, USA
    At 12:00 PDT, University of Southern California (USC) campus. Astronaut Frederick D. Gregory flew 3 Space Shuttle missions, STS-51B, STS-33...
  • Wed 22

    Annual EarthSpace Webinar

    Apr 22
    Online
    Exploring the intersection of space innovation and planetary stewardship, from 12:00-14:00 EDT / UTC-4; no cost but registration required at...
  • Wed 22

    Webinar: IAF Materials and Structures Committee

    Apr 22
    Online
    Moderator Elizabeth Barrios of Blue Origin welcomes panelists from ArianeGroup, DGLR, Sapienza University of Rome, Women in Aerospace, and CSEM...
  • Wed 22

    US House of Representatives Hearing on NASA Budget FY2027

    Apr 22
    Washington DC, USA
    House Science, Space, and Technology Committee will meet with NASA Administrator Jared Isaacman, 10:00 EDT | 07:00 PDT | 04:00...
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Established in 1976, Space Age Publishing Company operates its Hawaiʻi (1988) and California offices. Space Age publishes Space Calendar weekly since 1983 and Lunar Enterprise Daily, and pursues a business plan consistent with establishing a third office on the Moon.

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