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  • March 2026

  • 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...
  • Wed 22

    Next Generation of Io Science Workshop

    Apr 22 - Apr 23
    Laurel MD, USA
    The goal of this workshop is to bring together interdisciplinary scientists to discuss outstanding science questions about Io -- the...
  • Wed 22

    Results from Early CLPS Deliveries and Upcoming CLPS Exploration Activities

    Apr 22 - Apr 23
    Online
    This online-only Lunar Surface Science Workshop (LSSW), each day 11:00-17:00 EDT | 15:00-21:00 UTC | 05:00-11:00 HST, will share results...
  • Thu 23

    Launch Electron / Kakushin Rising (JAXA Rideshare)

    Apr 23
    Launch Complex 1, ~39°S, Mahia Peninsula, New Zealand
    Launch set for 15:09 New Zealand Standard Time | 03:00 UTC | 17:09 Apr 22 HST, for sending 8 separate...
  • Thu 23

    Venture Café: Launching Innovation from Arizona to Space

    Apr 23
    Phoenix AZ, USA
    With David Ariosto and reps from Rocket Lab, Paragon Space Development, Space Rising and more. 16:30-19:00 MST at 850 PBC,...
  • Thu 23

    Kennedy Space Center (KSC) Elite VIP Tour

    Apr 23 - Apr 24
    Kennedy Space Center Visitor Complex FL, USA
    Exclusive all-day tour begins at 09:00 EDT with a knowledgeable space expert as guide. Includes: Admission and parking, iconic attractions including Rocket Garden, Deep Space...
    US$175
  • Fri 24

    Launch Cheng Zheng 2D / Unknown Payload

    Apr 24
    Xichang Satellite Launch Center, ~28°N, Sichuan, China
    Launch window 14:30-14:51 China Time | 06:30-06:51 UTC | HST is 20:30-20:51 on April 23. Chang Zhen 2D (CZ-2D) is...
  • Fri 24

    Hubble Space Telescope Begins Next Year in Space

    Apr 24
    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...
  • Fri 24

    National Day of Space Flight

    Apr 24
    China (Zhongguo)
    Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.
  • Fri 24

    Spacetide Academy Space Business Job-Ready Training Bootcamp

    Apr 24
    Tokyo, Japan
    In Toranomon Area of Tokyo, 09:00-20:00 Japan Time. The lecture sessions cover a wide range of topics, including industry structure...
    Free
  • Fri 24

    From Earth to the Universe: At Robinson Planetarium

    Apr 24
    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 24

    Doc Waller’s Earth & Space Report with Richard Luecke

    Apr 24
    Online
    Award-winning astronomical artist Dick Luecke will show Moon, planets, nebulae and galaxy sketching; via Zoom at 19:00 EDT | 23:00...
  • Sat 25

    Launch Falcon 9 / Starlink Group 17-16

    Apr 25
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window 07:00-11:00 PDT | 04:00-08:00 HST for 25 internet satellites to LEO. First stage B1088 planned to land on...
  • Sat 25

    NET Late April – Vulcan Rocket Static Fire Testing

    Apr 25
    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...
  • Sat 25

    21st Annual AIAA Southern California Aerospace Systems & Technology (ASAT) Conference

    Apr 25
    Irvine CA, USA
    To bring together seasoned and new engineers, researchers, leaders, managers, academia and students, to exchange ideas, review achievements and plan...
    US$40 – US$99
  • Sat 25

    The Drive to Fly: Finalists Award Ceremony

    Apr 25
    Daytona Beach FL, USA
    Art competition to encourage future STEM (science, technology, engineering, mathematics) leaders, judged by Astronaut Nicole Stott and others, has been...
  • Sun 26

    Launch Soyuz 2.1a / Progress MS-34 (95P)

    Apr 26
    Baikonur Cosmodrome, ~46°N, Kazakhstan
    Resupply mission to ISS set for 03:21 Baikonur Time UTC+5 | 22:21 UTC Apr 25| 12:21 HST Apr 25; with...
  • Mon 27

    Progress MS-34 (95P) Docks With ISS

    Apr 27
    Low Earth Orbit (LEO)
    Expected 2 days after launch from Kazakhstan, arriving ~22:21 UTC with ~7,280 kg of cargo.
  • Mon 27

    Launch Atlas V 551 / Amazon Leo (LA-06)

    Apr 27
    SLC-41 (~28°N), Cape Canaveral SFS FL, USA
    Launch window 20:52-21:21 EDT | 14:52-15:21 HST | UTC April 28 00:52-01:21, for 29 satellites to Low Earth Orbit for...
  • Mon 27

    Launch Falcon Heavy / ViaSat-3 F3 (ViaSat-3 Asia-Pacific)

    Apr 27
    SLC-39A, ~29°N, Kennedy Space Center FL, USA
    Launch window 10:21-11:46 EDT | 04:21-05:46 HST | 14:21-15:46 UTC for first Falcon Heavy launch since 2024, sending to Geostationary...
  • Mon 27

    Campaign Closes: Send ‘Overview Effect’ Author Frank White to Space

    Apr 27
    Online
    Write an essay, make a video, contribute and perhaps be chosen yourself for a second seat on the suborbital flight.
  • Mon 27

    Celestial Crossroads: Encounters, Intersections and Influences

    Apr 27 - Apr 29
    Istanbul, Türkiye
    Planned topics include star and constellation myth and imagery; modern and ancient astronomy of China, India, Central Asia, West Asia,...
  • Mon 27

    Nuclear and Emerging Technologies for Space (NETS 2026)

    Apr 27 - Apr 30
    Dayton OH, USA
    Speakers include Bhavya Lal and Clive Neal, to bring together visionary engineers building the hardware, policymakers writing the standards, and...
  • Mon 27

    Space Weather Workshop: Space Weather & Society: Transforming Services & Science to Meet User Needs

    Apr 27 - May 1
    Boulder CO, USA
    Meeting annually since 1996, industry, academia, and government explore impacts of space weather on modern technology, including communications, navigation, spacecraft...
    US$50 – US$500
  • Mon 27

    Cislunar Exploration: Challenges and Opportunities – Online Short Course

    Apr 27 - May 11
    Online
    Through May 11, Four instructors convene this class because current USA / international / commercial mission plans, both crewed and...
    US$495 – US$995
  • Tue 28

    Launch Ariane 64 / Amazon Leo (LE-02)

    Apr 28
    Launch Area 4, ~5°N, Guiana Space Centre, French Guiana
    Launch window 05:51-06:39 French Guiana Time | 08:51-09:39 UTC | HST April 17 22:51-23:39, to carry 32 satellites to Low...
  • Tue 28

    NET April 28 – Launch Long March 10B / Unknown Payload

    Apr 28
    Wenchang Space Launch Center, ~19°N, Hainan Island, China
    Flight hazard notices were filed for a launch between April 28 and 30. This first Long March 10B vehicle has...
  • Tue 28

    Shaping the Space Frontier: A Hands-On Simulation

    Apr 28
    Phoenix AZ, USA
    From 09:30-15:00 MST for an "immersive, limited-capacity session" for Arizona Space Congress delegates, deploying a real-world simulation of strategic decision-making...
  • Tue 28

    Space Tank Arizona and Arizona Space Congress

    Apr 28 - Apr 29
    Phoenix AZ, USA
    Space Tank hope to ignite innovation in space by having entrepreneurs / inventors / designers / engineers describe their start-up...
    $125
  • Tue 28

    Lunar Surface Innovation Consortium – LSIC 2026 Spring Meeting

    Apr 28 - Apr 30
    Online / Washington DC, USA
    Theme Accelerate the Pace: Touch Down, Power Up, and Explore! focuses on urgency for lunar infrastructure technology efforts, inviting discussions...
    Free – US$220
  • Tue 28

    Spacecraft Rendezvous and Proximity Operations

    Apr 28 - Jun 2
    Online
    Online short course on Rendezvous and Proximity Operations (RPO), critical for crew transfer, in-space assembly and space debris removal, among...
    US$1595 – US$1795
  • Wed 29

    Launch Falcon 9 / Starlink Group 17-36

    Apr 29
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window 19:00-23:00 PDT | 16:00-20:00 HST for 25 internet satellites to LEO. First stage booster B1071 expected to land...
  • Wed 29

    Ground Control #3: Space and the A.I. Revolution

    Apr 29
    Oslo, Norway
    Arnt-Børre Salberg is the guest at 17:00-20:00, Mesh Youngstorget, Møllergata 6, Oslo. He and his team have built THOR since...
  • Wed 29

    NASA SmallSat LEARN Forum

    Apr 29
    Online
    "Learning from Experiences, Achievements, and Resolution Navigation" -- Representatives from multiple NASA centers and outside organizations meet to advance NASA...
  • Thu 30

    Webinar: From Stage to Weightlessness – The Making of PARABOLES

    Apr 30
    Online
    Co-Hosted by The AIAA Gravity Dependent Science and Technology Technical Committee (GDST-TC), formerly the Microgravity Space Processes Technical Committee (MSP-TC). Natasha...
  • Thu 30

    Opportunities for On-Orbit Computing

    Apr 30
    Washington DC, USA
    Conversations with industry and government leaders on building, powering and managing data infrastructure in space followed by a networking reception....
  • May 2026

  • Fri 1

    International Space Day

    May 1
    Worldwide
    First Friday in May, events and presentations to promote STEM education and inspire people to continue the work of Space...
  • Fri 1

    Flower Moon

    May 1
    Moon Orbit
    17:24 UTC (07:24 HST).
  • Fri 1

    Launch Falcon 9 / Starlink Group 10-38

    May 1
    SLC-40 (~28°N), Cape Canaveral SFS FL, USA
    Launch window 13:33-17:33 PDT | 07:33-11:33 HST for 29 internet satellites to LEO. First stage B1069 expected to land on...
  • Sat 2

    Launch Falcon 9 / CAS500-2 & Others

    May 2 - May 3
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window 23:59 May 2 - 00:39 May 3 PDT | 01:59-02:39 CDT | 20:59-21:39 HST for ride-share of multiple...
  • Sat 2

    24th AstroDay

    May 2
    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...
  • Sun 3

    GEOINT Symposium 2026

    May 3 - May 6
    Aurora CO, USA
    Includes sessions on The Space Economy, SATCOM, Fusing Space / Air / Surface Sensing. Expecting 4,000+ attendees. Special attention to...
  • Sun 3

    Asia-Pacific Regional IAU Meeting (APRIM 2026)

    May 3 - May 7
    Hong Kong, China
    More than 570 abstracts were received, 14 plenary and 51 invited speakers span 9 themes, and 58 early career astrophysicists...
    HKD2000 – HKD3000
  • Sun 3

    European Geosciences Union General Assembly EGU26

    May 3 - May 8
    Vienna, Austria
    Includes Lunar Session for discussion of the latest advancement in lunar science, exploration and sustainable utilization, including the deep interior,...
    Free – €765
  • Mon 4

    Luxembourg Space Resources Week 2026

    May 4 - May 7
    Luxexpo, Luxembourg
    Hosted annually in Luxembourg, Space Resources Week is organised by the European Space Resources Innovation Centre (ESRIC), in collaboration with...
  • Mon 4

    Online Course: Applied Space Systems Engineering

    May 4 - May 7
    Online
    Practical application of space systems engineering processes throughout the mission lifecycle. CE Units available; Live only, no recording; 11:00-17:00 EDT...
    US$495 – US$1195
  • Mon 4

    4S Symposium (Small Satellites Systems and Services)

    May 4 - May 8
    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...
  • Tue 5

    Observation of First American in Space: Alan Shepard

    May 5
    United States of America (USA)
    May 5, 1961, Alan Shepard reached the air / space dividing line acknowledged by U.S. government, 50 miles / 80...
  • Tue 5

    Launch Falcon 9 / Starlink Group 17-29

    May 5
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window 19:00-23:00 PDT | 16:00-20:00 HST for 24 internet satellites. Core booster B1081 expected to land on ASDS OCISLY...
  • Tue 5

    2nd Canadian Space Launch Conference

    May 5
    Ottawa, Ontario, Canada
    With theme Building a Spacefaring Nation, expects ~400 attendees with added technical content track; at Canada Aviation and Space Museum.
  • Tue 5

    Space Economy Summit Europe 2026

    May 5 - May 6
    Lisbon, Portugal
    Confirmed speakers include Pete Worden, representatives of ESA, Voyager, US State Department, Primo Capital Space Fund and President of the...
  • Tue 5

    Eta Aquariids Meteor Shower Peak

    May 5 - May 6
    Low Earth Orbit (LEO)
    Strongest viewed from southern tropics; north of the equator, expect medium rates of 10-30 per hour just before dawn, with...
  • Wed 6

    C4ISR Global and Space Operations Summit

    May 6 - May 7
    London, United Kingdom
    13th Annual General Meeting for the Global Intelligence, Space, and C4 Community, at Hilton London Syon Park, and for the...
  • Thu 7

    Registration Due: Space Explorers Club

    May 7
    Online
    Monthly online aerospace talks with Astronauts and industry leaders; limited to 30 members. Talks begin May 9 and run through...
    US$999
  • Thu 7

    GEGSLA 14th Operational Meeting

    May 7
    Online
    Global Experts Group on Sustainable Lunar Activities continues discussions on ongoing workstreams and priorities related to the sustainable exploration and...
  • Thu 7

    Orbital Edge Accelerator Networking Reception

    May 7
    San Mateo CA, USA
    A one-of-a-kind program in the space industry connecting private capital, International Space Station (ISS) National Laboratory–provided access to orbit, and...
  • Fri 8

    International Institute of Space Law (IISL) Spring Space Law Symposium

    May 8
    Online
    Organized with the support of the Amsterdam Space Law & Sustainability Centre and Durham University Space Research Centre (SPARC), the...
  • Sat 9

    Rocketry Organization of California (ROC) High Power Launch

    May 9
    Lucerne Valley CA, USA
    Sport Launch, with FAA waiver to 7,000' AGL, 07:00-14:00 PDT, Lucerne Dry Lake Launch Site (34.496343, -116.958720), Cambria Road https://rocstock.org/lucerne-dry-lake-launch-site/....
  • Sat 9

    Launch Falcon 9 / Starlink Group 17-37

    May 9
    SLC-4E (~35°N), Vandenberg SFB CA, USA
    Launch window 07:00-11:00 PDT | 04:00-08:00 HST for 24 internet satellites. Booster B1103 expected to land on ASDS OCISLY after...
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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.

Land Your Name + Message
on the Moon!

For a limited time you can send your name & message to the lunar surface on the ILOA ILO-1 mission in 2027-2028.

ILO-1 will be mounted on the Astrolab FLEX rover lightbar, and operate on the Moon for 1+ years — broadcasting Space Calendar and messages back to Earth along with near real-time images of the celestial sky and the Moon, on a weekly basis.

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