• PocketQube Conference 2026

    Glasgow, Scotland

    9th annual conference addressing development of "pico" satellites, providing forum for collaboration among industry and academia. At Glasgow University Union (GUU), 32 University Avenue. Tour of Alba Orbital PocketQube factory on March 27 is offered.

    €86 – €130
  • Science for a New Era of Exploration: The Path from the Moon to Mars

    Online / Washington DC, USA

    Annual symposium on Science Priorities, Readiness, and Enterprise Integration, at Holiday Inn on the National Mall, 550 C Street SW, at 13:00-17:30 EDT (07:00-11:30 HST) and online, live-streaming at https://www.spacecommerce.tv/Events/USRA-250327 (link will go live that morning). Speakers include Nicola "Nicky" Fox and others from NASA, and Scott Pace of SPI, […]

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

    Online

    09:00 PDT | 12:00 EDT | 18:00 CET | UTC+1; Featuring perspectives that have not traditionally shaped space governance -- environmental justice, Indigenous stewardship and community-driven science -- to broaden the ethical foundation on which lunar governance is being built. No charge but registration required: https://openlunar.zoom.us/meeting/register/jITNiebPQ0Sa_EhpLErsjg#/registration This webinar will be […]

  • Federal Communications Commission Meeting Including “Weird Space Stuff”

    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: Spectrum Abundance for Weird Space Stuff: The Commission will consider a Notice of Proposed Rulemaking, https://www.fcc.gov/document/spectrum-abundance-weird-space-stuff, that proposes and seeks comment on ways in which to make additional spectrum available […]

  • Lunar Surface Innovation Consortium: Surface Power Telecon

    Online

    LSIC Surface Power Focus Group online discussion of dust-toleration connectors for lunar surface applications. Jorge Núñez, from Johns Hopkins Applied Physics Laboratory (JHU-APL), will present an overview of the lunar surface dust environment. Then, Josh Yank of Yank Technologies and Erik Strahl of Amphenol will share recent advances in their […]

  • CanSat Competition and UK Youth Rocketry Challenge Regional Finals

    Llanbedr, UK

    At Snowdonia Space Centre. CanSat competition is organized by the UK European Space Education Resources Office (ESERO-UK), supported by the European Space Agency (ESA). Teams must design and build their own mini satellite within the dimensions of a drinks can, that must include all major subsystems found in a satellite (such […]

  • 2nd IAA Moon Farside Protection Symposium

    Paris, France

    The Moon naturally shields electromagnetic waves generated by human activities on Earth and around it, results in a silence zone on and above its Farside, called Shielded Zone on the Moon (SZM). The SZM is a region of utmost scientific interest, in particular for Cosmology, Astrobiology, Planetary Defense, and SETI […]

  • Panel Discussion: Women in Space: The Architects of Space

    London, United Kingdom

    17:30 UT, in person and online, this event brings together leading women from across the space industry to explore the milestones shaped by women and the pathways they are forging for the future. Through a dynamic panel discussion, speakers from diverse backgrounds will reflect on the contributions women have made […]

  • Earth & Space Report Featuring Jordan Bretzfelder on Planetary Analogs

    Online

    William Waller invites Dr. Bretzfelder from Georgia Tech to discuss via Zoom "Planetary Analogs: Simulating the Solar System in our Backyard." At 19:00 EDT | 23:00 UTC | 13:00 HST. Here is her abstract: Rocky planetary bodies throughout the solar system have a variety of different surface conditions, from the […]

  • AIAA Region IV Student Conference

    Houston TX, USA

    Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given for 1st, 2nd and 3rd place papers in each category. At Rice University.

  • Guided Tour of Lunar Analog Craters with Planetary Geologist Kirby Runyon

    El Paso TX, USA

    With guests Astronaut Chris "Hanks" Sembroski and daughter, included is tour of Virgin Galactic launch site and simulated human mission at Las Cruces Challenger Education Center. New Mexico lunar analogs Aden Crater, Kilbourne Hole and the Carrizozo lava flow are on the tour. Also joined by Mark Wagner. Kirby Runyon […]

    $999
  • Artemis II: Pathway to the Moon

    Kennedy Space Center Visitor Complex FL, USA

    A never-before-seen Artemis experience on the bottom floor of Space Shuttle Atlantis. This exclusive exhibition immerses you in the story, scale and ambition of Artemis II.  Created by NASA’s Exploration Systems Development Mission Directorate, the exhibit invites you to step into the mission—exploring the spacecraft, technologies, and people making America’s […]

  • Abstracts Due for 2026 Astrodynamics Specialist Conference

    Online

    Convening July 26-30 at Hilton Whistler Resort & Spa in Whistler, British Columbia, Canada, the conference welcomes technical papers spanning all areas of astrodynamics and space-flight mechanics and brings together experts from across the global space community.

  • International Space University ISU-DC Space Café

    Washington DC, USA

    Washington DC-area US Alumni Association features Marcella Kneppers and Bastiaan van den Berg. Kneppers is Kingdom of the Netherlands Senior Advisor for Innovation, Science, and Technology at the Washington Embassy and will speak on technological and scientific developments, and policy trends in the aerospace and energy sectors in both the […]

  • Launch Tianlong-3 / Demo Flight

    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 founded in 2015 by Kang Yonglai. Tianlong-2 can take 4,000 kg to LEO and 3,000 kg to SSO via 3 stages powered by RP-1 and LOX.

  • STC2026: Central Eurasia Space Technology Conference

    Tashkent, Uzbekistan

    5th annual event, expecting 500+ attendees and 40+ speakers, discussing space and satellite business among space agencies and industry. At InterContinental Hotel, 2 Shakhrisabz Street in Trilliant Business Park near Amir Temur Square. Speakers include Christian Feichtinger of IAF.  

    £995 – £1195
  • Orbital Data Centers Series: The Energy Imperative

    Online

    A conversation on the energy and computing needs driving the push toward orbital data centers. No cost, registration required. With Star Catcher CEO Andrew Rush, and Foundation for American Innovation Research Fellow Daniel King. At 13:00-13:45 EDT | 17:00-17:45 UTC | 07:00-07:45 HST

  • Launching the UAE to Orbit

    Dubai, United Arab Emirates

    At campus of the American University in Dubai (AUD), 15:00-18:00 UTC+4, organized by Armen V. Papazian, Visiting Professor of Space Economics to share United Arab Emirates' vision and strategy in space science, economics and technology. Public event features the president of AUD, and the director general of the UAE Space […]

  • Abstracts Due for Space Renaissance International World Congress IV

    Online

    To be held June 30-July 4, 2026. Online event held every 5 years, keynote speakers include SRI president Bernard Foing, Michelle Hanlon, Madhu Thangavelu, Frank White, Rick Tumlinson, Giuseppe Reibaldi. SRI is now an official Observer for UN COPUOS. Legacy of Gerard K. O'Neill space settlement concepts is of great […]

  • ISS / U.S. EVA #95

    Low Earth Orbit (LEO)

    For U.S. spacewalk 95, planned for April, two NASA Astronauts (yet to be named) will prepare the station’s 3B power channel for a future solar array installation. NASA will provide more information on the date and time of the spacewalk, and other details, closer to the operation. The spacewalks will […]

  • NET Apr 1 — Launch SLS / Orion / Artemis 2

    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 to last 9-10 days; 3 USA and 1 Canada Astronaut: Commander Reid Wiseman, Pilot Victor Glover, Mission Specialists Christina Koch and Jeremy Hansen; mission will also deploy numerous CubeSats; launch […]

  • 45th Observation of STS-1 Columbia Flight

    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.

  • NET April 1: Launch Zhuque-3 / Test

    Jiuquan Space Launch Center, ~41°N, Gansu, China

    2nd orbital launch, attempt for booster recovery, by commercial launch firm Landspace of China; follows successful 1st orbital launch of Zhuque-3 stainless steel methalox rocket

  • Webinar: STEM Admission to Universities

    Online

    Majoring in STEM is popular among Singapore students, but university admissions do not evaluate all applicants equally! Join Crimson Education & Space Faculty Singapore for advice. 19:00 Singapore Time | 01:00 HST | 11:00 UTC

  • ActInSpace International Event – Second Stage

    Bordeaux, France

    Winners of the local hackathons will compete for international semi-finals and finals. This event takes place every two years and is currently preparing its 6th edition. Last time, 1 800 participants from all over the world took part in ACT in SPACE, dispatched into 410 teams, with 50+ sites hosting […]

  • Applications Due: NASA Postdoctoral Fellowship

    Online

    NASA Postdoctoral Program offers US and international scientists the opportunity to advance their research while contributing to NASA’s scientific goals. The NPP supports fundamental science; explores the undiscovered; promotes intellectual growth; and encourages scientific connections. Selected by a competitive peer-review process, NPP Fellows complete one- to three-year Fellowship appointments that […]

  • Launch Soyuz-5 / Demo Flight

    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 can take 34,000 kg to LEO.

  • Launch Falcon 9 / Starlink Group 17-35

    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 to LEO.

  • Kennedy Under the Stars: Yuriʻs Night Edition

    Kennedy Space Center Visitor Complex FL, USA

    Yuri’s Night joins Kennedy Under the Stars to host the official East Coast flagship event, 18:00 EDT (entry at 17:00). Yuriʻs Night honors the first human in space and the launch of the first Space Shuttle, both with anniversaries on April 12. It is an international organization with worldwide events. […]

    US$65
  • Perihelion of Comet C / 2026 A1 (MAPS)

    Deep Space

    Predicted date for the comet to make a close pass by the Sun (perihelion), potentially triggering a sudden brightening and dramatic tail. If it survives the encounter, it may become visible to the naked eye. This event is part of a rare opportunity in April to potentially view two comets—C/2026 […]

  • Meet Astronaut Roger Crouch

    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 research on semiconductor material, and was founding co-chair of the International Microgravity Science Strategic Planning Group.

  • Spacecraft Design, Development, and Operations – Online Short Course

    Online

    Through May 13; Don Edberg -- Professor of Aerospace Engineering, Cal Poly Pomona; Adjunct Lecturer, Astronautical Engineering, University of Southern California (USC); Former Boeing Technical Fellow -- convenes 12 classes, every Monday and Wednesday, 10:30-13:30 EDT | 07:30-10:30 PDT | 14:30-17:30 UTC (36 hours). All sessions will be recorded and […]

    US$695 – US$1595
  • World Conference on Aerospace and Aeronautics (WCAA-2026)

    Tokyo, Japan

    A dynamic platform for professionals, engineers, academics, and industry leaders to share knowledge, present groundbreaking research, and explore the latest advancements in aerospace engineering. Chairperson is Koichi Wakata, Astronaut and Chief Technology Officer of Axiom Space, USA (Former Astronaut, Japan Aerospace Exploration Agency /JAXA). Online and at Mitsui Garden Hotel […]

  • Launch Long March 8 / Unknown Payload

    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 8 can take up to 5000 kg to a 700 km altitude Sun-synchronous orbit (SSO).

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

    Online

    Webinar with Juan Alonso, CTO and Cofounder, Luminary Cloud; Chair, Department of Aeronautics and Astronautics, Stanford University; at 14:00-15:00 EDT | 18:00-19:00 UTC | 10:00-11:00 HST. During this webinar, Professor Alonso will describe the evolving landscape of artificial intelligence and machine learning methods as they relate to various applications in […]

  • Minding the LEO Gap and the Future of Commercial Space Stations

    Online

    Examining the findings of the Beyond Earth Institute’s 2025 Commercial Space Stations Working Group report, which evaluates whether NASA’s multi-phase CLD strategy can successfully sustain a continuous American presence in low Earth orbit while enabling a commercially viable space economy. Online at 13:00-14:00 EDT | 17:00-18:00 UTC | 07:00-08:00 HST […]

  • Launch Minotaur IV / STP-S29A

    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 used on the STPSat-4 mission for hosting research and technology demonstration payloads.

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

    Madrid, Spain

    At GMV, Santiago Grisolia 4, Tres Cantos. Conference Chair is Riccardo Bevilacqua of Embry-Riddle Aeronautical University. The foremost purpose of Space Situational Awareness (SSA) is to provide decision-making processes with a quantifiable and timely body of evidence (predictive / imminent / forensic) of behavior(s) attributable to specific space domain threats […]

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

    Online

    HRP IWS is the primary venue for reporting progress and results from HRP-funded research and technology tasks to Program Management, with the additional benefit of permitting cross-discipline interaction among the full spectrum of investigators. It also provides NASA with an outreach opportunity to include abstract submissions from other external researchers […]

  • 5th IAA Conference on Space Situational Awareness

    Madrid, Spain

    The foremost purpose of Space Situational Awareness (SSA) is to provide decision-making processes with a quantifiable and timely body of evidence (predictive/imminent/forensic) of behavior(s) attributable to specific space domain threats and hazards. The conference will cover broad-ranging technical and policy related aspects associated with the topic of SSA. At Santiago […]

  • Launch Falcon 9 / Cygnus CRS-2 NG-24

    SLC-40 (~28°N), Cape Canaveral SFS FL, USA

    Set for 08:51 EDT (02:51 HST), 24th flight of Orbital ATK uncrewed supply craft and 23rd to ISS under Commercial Resupply Services contract with NASA; booster will attempt return to new Landing Zone 40 (LZ-40).

  • Space Weather and Space Systems – Online Short Course

    Online

    Through May 14, this course will demystify the space weather topic, new to many people, as it affects a wide variety of space systems. The course will provide a conceptual foundation without requiring pre-existing knowledge. 6 weekly modules are Thursdays 15:00-17:00 EDT | 19:00-21:00 UTC | 09:00-11:00 HST. All sessions […]

    US$1595 – US$1795
  • Where Community College Technical Education Meets Space Innovation

    Online

    For STEM educators and for students interested in aerospace careers, a chance to hear from a NASA apprentice who will discuss how community college education can be your gateway to exciting opportunities in aerospace, whether entering via STEM fields, Technical trades or Engineering technology. There are multiple pathways to NASA […]

  • Lunar Surface Innovation Consortium (LSIC) Surface Power April Telecon

    Online

    Bri DeMattia (NASA Glenn Research Center) will present the work of NASA’s Safe, Innovative, Interoperable Modular Power for Lunar Exploration (SIIMPLE) team. At 11:00 EDT | 15:00 UTC | 05:00 HST. SIIMPLE offers a modular battery system solution, implementing advancements in high specific energy cell chemistries, aggressive choices in battery […]

  • Launch Long March 6A / Unknown Payload

    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, and 153rd launch from Taiyuan Satellite Launch Center. The Long March 6A has solid rocket boosters.

  • Launch Falcon 9 / Starlink Group 17-21

    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 B1063 to land on ASDS OCISLY after this 32nd flight.

  • Ground Control #3: Space and the AI Revolution

    With guest Arnt-Børre Salberg of the Norwegian Computing Center, partner with ESA for THOR Earth observation, a shared platform available to anyone with basic Python skills. At Mesh Youngstorget, Møllergata 6, 17:00-20:00 CEST. No charge but registration required. Program followed by networking.

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

    Pacific Ocean

    Expected for 17:07 PDT | 14:07 HST | 20:07 EDT | 00:07 UTC, after ~10-day journey around the Moon and 4-day return to Earth from Moon. A joint team of NASA specialists and U.S. Navy divers will secure the capsule, check for hazards, and recover the crew. Five large airbags […]

  • Pōwehi Day

    Statewide Hawai’i, USA

    Recognized proclamation to celebrate the first-ever imaged black hole M87* by Event Horizon Telescope collaboration involving Mauna Kea Observatories, given the Hawaiian name Pōwehi; imaged in April 2017 and released Apr 10, 2019.

  • From Earth to the Universe: At Robinson Planetarium

    Adrian MI, USA

    In honor of Astronomy Month, celebrated around the Earth, this full-dome planetarium program takes the audience out to the colorful birthplaces and burial grounds of stars, and still further out beyond the Milky Way to the unimaginable immensity of myriad galaxies. Along the way, the audience will learn about the […]

  • Space Generation Fusion Forum SGFF 2026

    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 on the global space industry. Students and young professionals from around the world, who are working and participating in all facets of the space community, apply to attend SGFF each […]

  • 25th Yuri’s Night Celebration

    Los Angeles CA, USA

    No-cost, all-day, family-friendly event at Griffith Observatory featuring Astronauts Jannicke Mikkelsen and Ron Garan. A special ticketed feature presentation is at 7pm followed by a VIP reception that includes beer, wine, appetizers, and after hours telescope access. At 2800 E Observatory Rd, Los Angeles, CA 90027, on the southern slope […]

  • Maunakea Observatories’ Participation in Annual Merrie Monarch Parade

    Hilo HI, USA

    MKO staff, ʻohana and community partners are invited to march in the annual Merrie Monarch Parade representing the Maunakea Observatories. We will gather at the soccer fields on bayfront that morning to talk story and make lei before marching. Please sign up to attend here. This is open to anyone […]

  • Oklahoma Space Alliance Meeting

    Norman OK, USA

    14:00 CDT at Cyber Hall, 914 W Main St, opposite Norman High School; prospective members are welcome. Agenda: Introductions and review of Space events this past month; What’s Happening in Space - News, Pictures, and Videos approximately one hour, see the April Update at http://osa.nss.org before the meeting for items […]

  • Yuri’s Night Celebrations

    Worldwide

    Launching parties around the world every year on or around April 12th, in commemoration of Yuri Gagarin becoming the first human to venture into space on April 12, 1961, and the inaugural launch of the first Space Shuttle on April 12, 1981. We use space to bring the world together, […]

  • Launch Falcon 9 / Starlink Group 10-24

    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 1080 expected to land on ASDS JRTI after this 26th flight.

  • AIAA Region I Student Conference

    College Park MD, USA

    Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given for 1st, 2nd and 3rd place papers in each category. At University of Maryland.

  • Registration Due: Lunar Surface Innovation Consortium Spring Meeting

    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 the Pace: Touch Down, Power Up, and Explore! focuses on urgency for lunar infrastructure technology efforts, inviting discussions on how we can accelerate progress together. With the incredible momentum set […]

    US$1 – US$220
  • ASCE Earth & Space 2026 Conference

    College Station TX, USA

    20th International Conference on Engineering, Science, Construction and Operations in Challenging Environments: ASCE Earth & Space 2026

  • 41st Space Foundation Space Symposium

    Colorado Springs CO, USA

    Theme: Building Capacity Through Innovation and Collaboration. Expecting 10,000+ registrants, 247 exhibitors, 24 space agencies, 1500+ organizations. At The Broadmoor Hotel & Cheyenne Mountain Resort. Access to specific Track Programming ONLY available at US$425 for tracks: Space Law & Regulation, Space Science & Exploration, Space Finance & Investment, Game Changers: […]

    Free
  • UN COPUOS Legal Subcommittee (LSC) Meeting

    Vienna, Austria

    65th session of the UN COPUOS Legal Subcommittee (LSC). Informal meetings and consultations are expected to take place on April 13-14 and April 23-24, surrounding the main session dates. Key lunar issues to be addressed include resources and information-sharing. Sessions focus is on international space governance, including space safety, sustainability, […]

  • Launch Vehicle Avionics Systems Design and Applications – Online Short Course

    Online

    George N. Andrew, with 46+ years of experience relating to launch vehicle, spacecraft / instrument avionics architecture, design, manufacturing, integration / testing / program management, convenes this course Tuesdays / Thursdays through April 30 at 13:00–15:30 EDT | 17:00-19:30 UTC | 09:00-11:30 HST (6 Classes, 15 Total Hours). All sessions […]

    US$495 – US$1095
  • Launch Kinetica 1 / Unknown Payload

    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 solid-propellant 4-stage light launch vehicle, 30m tall with fairing diameter 3.35m, able to send 4,000kg to LEO or 3,000kg to SSO.

  • Launch Falcon 9 / Starlink Group 10-24

    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 to land on ASDS JRTI after this 26th launch.

  • Launch Falcon 9 / Starlink Group 17-27

    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 this 21st flight.

  • Online Seminar on Power and Propulsion Systems

    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 unsolved problems at the intersection of combustion, fluid mechanics, and flow stability, offering insights for industry, researchers, and students alike. Full title of seminar: Patterns and Structure in the Fury […]

  • CubeSat Developers Workshop 2026 (CDW26)

    San Luis Obispo CA, USA

    At Cal Poly campus building number 06, Performing Arts Center (PAC). Workshop sessions include: Core Hardware / Mechanisms, Radiation & Reliability, Comm Systems, Payloads, Deployment, Software / Autonomy, Flight Demos. There is a Career Fair at the end of the workshops, and a Farmer's Market in the late afternoon. 3 […]

    US$100 – US$700
  • 26th Integrated Communication, Navigation and Surveillance (ICNS) Conference

    Washington DC, USA

    Addressing technology and policy advances in CNS research, development and implementation programs, and policies related to CNS/ATM capabilities and applications. Includes a workshop on interaction between launches and the air traffic system. ICNS Conference assembles leaders from government, industry, and academia, as well as senior technical experts to address important […]

    US$550
  • NASA Partnership Days

    Edwards CA, USA

    At NASA Armstrong flight Research Center, for companies, government agencies and organization to explore collaboration opportunities in advanced research and technology development with NASA. 08:00-16:00 PDT on Wednesday, April 15, and 10:30-17:00 PDT or Thursday, April 16. Registration required.

  • AIAA Defense Forum 2026

    Laurel MD, USA

    AIAA secret / NOFORN event covering the strategic, programmatic, and technical topics and policy issues pertaining to the aerospace and defense community.

  • 30th Annual Design / Build / Fly Competition

    Wichita KS, USA

    Applied Aerodynamics, Aircraft Design, Design Engineering and Flight Test Technical Committees of AIAA all pitch in to call forth enthusiastic creativity from the next generation. College-student teams will design, fabricate, and demonstrate the flight capabilities of an unmanned, electric powered, radio-controlled aircraft which can best meet the specified mission profile. […]

  • Launch Long March 2D / Unknown Payload

    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 SSO. This would be the 97th successful launch of a Long March 2D, out of 98 attempts.

  • From Earth to the Universe: At Robinson Planetarium

    Adrian MI, USA

    In honor of Astronomy Month, celebrated around the Earth, this full-dome planetarium program takes the audience out to the colorful birthplaces and burial grounds of stars, and still further out beyond the Milky Way to the unimaginable immensity of myriad galaxies. Along the way, the audience will learn about the […]

  • Launch Falcon 9 / Starlink Group 17-22

    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 this 8th flight.

  • Launch New Glenn / BlueBird Block 2 #2

    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 array making it the largest commercial deployment in LEO. Booster GS1-SN002 expected to land on ASDS Jacklyn after this 2nd flight.

  • Planetary Society’s Day of Action

    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. Congressional meetings Monday Apr 20. Anyone age 18+ with USA address can register, under 18 must be accompanied by parent / guardian; Planetary Society membership required (can be added at […]

    US$30 – US$54
  • Launch Falcon 9 / GPS III SV10

    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 stage booster planned to land on autonomous spaceport drone ship (ASDS) in Atlantic Ocean.

  • Rollout of Artemis III Rocket Section

    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 on a barge for delivery to Kennedy Space Center. Media are invited. Speakers will be featured. The SLS is already begun in the Vehicle Assembly Building with the engine section […]

  • 24th IAA Humans In Space Symposium

    Montecatini, Italy

    A platform for a fruitful discussion of fundamental problems and practical issues, exchange of research results and ideas in space biology and medicine, including: – Analogue Environments – Isolation – Astrobiology – Artificial Intelligence – Cardiovascular and Pulmonary – Challenges of Future Spaceflights – Circadian Rhythm – Commercial Spaceflight / […]

    €100 – €700
  • BeyondHubble: Revisiting the Hubble Sequence Across Cosmic Time

    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 University) Michele Cappellari (University of Oxford) Andrei Kravtsov (University of Chicago) Sharon Meidt (Ghent University) Lamiya Mowla (Wellesley College) Vadim Semenov (CfA) Adrianne Slyz (University of Oxford) Takafumi Tsukui (ANU) […]

  • Launch Falcon 9 / Starlink Group 17-14

    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 after this 5th flight. This is the booster with special "100" painted logo.

  • Launch HASTE / Bubbles

    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 (HASTE) test program of Rocket Lab, using its electric-pump-fed engines.

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

    Lomita CA, USA

    Origins, Development, Operation and Lessons Learned from NASA's James Webb Space Telescope with Jonathan Arenberg, Northrop Grumman Fellow and Chief Mission Architect for Science and Robotic Exploration, Fellow of the International Optics and Photonics Society, SPIE, and an Associate Fellow of AIAA. In-person at 17:30 PDT at Lomita Library (Don […]

  • Lyrids Meteor Shower Peak

    Worldwide

    Best seen from Northern Hemisphere, with a lower hourly rate in the Southern Hemisphere, Lyrids seem to stream from the Constellation Lyra. They actually derive from the debris trail of Comet C/1861 G1 Thatcher, which has a period of 415 years. Can be "fireball" bright but usually lack persistent trains, […]

  • Annual EarthSpace Webinar

    Online

    Exploring the intersection of space innovation and planetary stewardship, from 12:00-14:00 EDT / UTC-4; no cost but registration required at https://docs.google.com/forms/d/e/1FAIpQLSd2yLblO6EqWkVLaCtst5oMSbSdwDAq3_WiuUW5fMOwStqb2Q/viewform

  • Webinar: IAF Materials and Structures Committee

    Online

    Moderator Elizabeth Barrios of Blue Origin welcomes panelists from ArianeGroup, DGLR, Sapienza University of Rome, Women in Aerospace, and CSEM at 15:00-16:00 CEST | 13:00-14:00 UTC | 09:00-10:00 EDT | 06:00-07:00 PDT. Webinar is to explore and assess recent advancements in space structures, structural dynamics, and materials, particularly in relation […]

  • Next Generation of Io Science Workshop

    Laurel MD, USA

    The goal of this workshop is to bring together interdisciplinary scientists to discuss outstanding science questions about Io -- the most volcanically active world in the Solar System, yet fundamental questions persist regarding its origin, evolution, present-day activity, dynamic atmosphere, and its complex interactions with the rest of the Jovian […]

  • Results from Early CLPS Deliveries and Upcoming CLPS Exploration Activities

    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 from the first NASA CLPS missions, provide updates on upcoming deliveries, and discuss lessons learned. Breakouts will gather community input on future lunar measurements and technology demos to support the […]

  • Launch Electron / Kakushin Rising (JAXA Rideshare)

    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 spacecraft to SSO, including ones for education, for ocean monitoring, an ultra-small multispectral camera, and an antenna packed origami-style for unfurling to 25 times the packed size. The 8 satellites […]

  • Venture Café: Launching Innovation from Arizona to Space

    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, 850 North Fifth Street. Mentor Hours with Robert Walker, Technology and Community Director at University of Advancing Technology, Tempe. Speakers on Finance, Marketing, Entrepreneurship, more. No charge but registration required.

  • Kennedy Space Center (KSC) Elite VIP Tour

    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 Launch Complex, Space Shuttle Atlantis, Spaceport KSC ride, Shuttle Launch Experience ride, bus tour behind NASA’s gates including (depending on launch schedule) outside of Vehicle Assembly Building / views of Launch Complex 39’s Pads A […]

    US$175
  • Launch Cheng Zheng 2D / Unknown Payload

    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 expected to make its 103rd flight, powered by hypergolic fuels (toxic), typically to geostationary transfer orbit. This will be the 3rd flight of 2026 for CZ-2D.

  • Spacetide Academy Space Business Job-Ready Training Bootcamp

    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 and the global competitive landscape, the history of the space industry, Japan’s Space Strategy Fund and Basic Space Policy, and the policies and legal frameworks that support space business—all explained […]

    Free
  • From Earth to the Universe: At Robinson Planetarium

    Adrian MI, USA

    In honor of Astronomy Month, celebrated around the Earth, this full-dome planetarium program takes the audience out to the colorful birthplaces and burial grounds of stars, and still further out beyond the Milky Way to the unimaginable immensity of myriad galaxies. Along the way, the audience will learn about the […]

  • Doc Waller’s Earth & Space Report with Richard Luecke

    Online

    Award-winning astronomical artist Dick Luecke will show Moon, planets, nebulae and galaxy sketching; via Zoom at 19:00 EDT | 23:00 UTC | 13:00 HST. Richard Luecke is with the Gloucester Area Astronomy Club (GAAC). Meeting ID 895 264 5644 Passcode 634305 https://us06web.zoom.us/j/8952645644?pwd=ZmozcWFlK0JJSXJ2MGdWeEMxQTVEUT09&omn=86806605028 https://app.zoom.us/wc/8952645644/join?omn=86806605028&ref_from=launch&pwd=ZmozcWFlK0JJSXJ2MGdWeEMxQTVEUT09&_x_zm_rtaid=lUlq0F1PSJynN5z7K7lXlw.1776742760095.605e9b0a3fc09289daa7f7adcd2bd7c9&_x_zm_rhtaid=354&fromPWA=1 One tap mobile +16469313860,,8952645644#,,,,*634305# US +19294362866,,8952645644#,,,,*634305# US […]

  • Launch Falcon 9 / Starlink Group 17-16

    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 ASDS OCISLY after this 15th flight.

  • NET Late April – Vulcan Rocket Static Fire Testing

    SLC-41 (~28°N), Cape Canaveral SFS FL, USA

    First test after ULA Vulcan rocket launching from Florida on February 12, 2026, took a spacecraft to GSO but suffered an anomaly in one of the four solid rocket motors. NASA announcement week of March 11, 2026, said United Launch Alliance (ULA) Centaur V upper stage will be used for […]

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

    Irvine CA, USA

    To bring together seasoned and new engineers, researchers, leaders, managers, academia and students, to exchange ideas, review achievements and plan new directions. At University of California, Irvine (UCI), Interdisciplinary Science and Engineering Building, 08:00-18:15 PDT. Co-sponsored by AIAA Orange County and San Gabriel Valley Sections.

    US$40 – US$99
  • The Drive to Fly: Finalists Award Ceremony

    Daytona Beach FL, USA

    Art competition to encourage future STEM (science, technology, engineering, mathematics) leaders, judged by Astronaut Nicole Stott and others, has been on display and judged, and awardees will be celebrated. RSVP to support Astronaut Scholarship Foundation. At Starry Night Gallery, 230 S Beach St, 18:30-20:00 EDT.

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

    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 ~7,280 kg of cargo; after ~2 days, will rendezvous with ISS.

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

    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 Amazon Leo internet system. Constellation planned to be composed of ~7,236 satellites. ULA is a joint venture of Lockheed Martin Space and Boeing Defense, Space & Security.

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

    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 Transfer Orbit 3 Ka-band satellites offering 1-terabit-per-second capability. Side Booster B1072 expected to land again, after this 2nd flight, on Landing Zone 40 (LZ-40), triggering a sonic boom. Falcon Heavy […]

  • Nuclear and Emerging Technologies for Space (NETS 2026)

    Dayton OH, USA

    Speakers include Bhavya Lal and Clive Neal, to bring together visionary engineers building the hardware, policymakers writing the standards, and agency leaders deploying the capital. When NASA, the DOE, the DOW and the commercial aerospace sector need to align on the future of space power, they do it here. At […]

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

    Boulder CO, USA

    Meeting annually since 1996, industry, academia, and government explore impacts of space weather on modern technology, including communications, navigation, spacecraft operations, human space exploration, aviation, space traffic coordination, and electric power systems. Discussions will also focus on the most pressing needs for operational services, guiding future research and the development […]

    US$50 – US$500
  • Cislunar Exploration: Challenges and Opportunities – Online Short Course

    Online

    Through May 11, Four instructors convene this class because current USA / international / commercial mission plans, both crewed and uncrewed, will be challenged by multiple new hurdles, including regulatory, habitat, mining, and navigation and positioning. This course aims to present a few key challenges related to the return to […]

    US$495 – US$995
  • Launch Ariane 64 / Amazon Leo (LE-02)

    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 Earth Orbit for broadband internet, part of projected 7,236 satellites.

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

    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 had a successful wet dress rehearsal and was rolled back to integration facilities, likely to integrate the payload. After launch, China Academy of Launch Vehicle Technology will attempt recovery of […]

  • Shaping the Space Frontier: A Hands-On Simulation

    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 for the emerging space economy. At Defense Innovation OnRamp Hub: Arizona, in downtown Phoenix. The program is intentionally designed around the Mobilization Method, an applied framework developed to move delegates […]

  • Space Tank Arizona and Arizona Space Congress

    Phoenix AZ, USA

    Space Tank hope to ignite innovation in space by having entrepreneurs / inventors / designers / engineers describe their start-up business, for the purpose of receiving support including grants, with awards and opportunities going to those offering the best solutions to address space challenges. In conjunction with the Arizona Space […]

    $125
  • Lunar Surface Innovation Consortium – LSIC 2026 Spring Meeting

    Online / Washington DC, USA

    Theme Accelerate the Pace: Touch Down, Power Up, and Explore! focuses on urgency for lunar infrastructure technology efforts, inviting discussions on how we can accelerate progress together. No cost for Online attendance; US$150-220 for in-person (April 28 at Bloomberg Center, 555 Pennsylvania Ave NW, Washington DC, USA; April 29-30 at […]

    Free – US$220
  • Spacecraft Rendezvous and Proximity Operations

    Online

    Online short course on Rendezvous and Proximity Operations (RPO), critical for crew transfer, in-space assembly and space debris removal, among other uses. Instructor is Pradipto Ghosh; 12 classroom hours / 2.4 CEU-PDH; online via Zoom with replays available. Students will receive Certificates of Completion from both AIAA and Johns Hopkins […]

    US$1595 – US$1795
  • Launch Falcon 9 / Starlink Group 17-36

    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 on ASDS barge OCISLY in the Pacific Ocean after this 33rd use.

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

    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 he gave a talk on artificial intelligence and Earth observation from space at Spaceport Norway in 2017. The Norwegian Computing Center was already well ahead in this research — but […]

  • NASA SmallSat LEARN Forum

    Online

    "Learning from Experiences, Achievements, and Resolution Navigation" -- Representatives from multiple NASA centers and outside organizations meet to advance NASA goals via networking, information exchange, and collaborative learning. By invitation to those affiliated with a NASA-funded SmallSat mission.

  • Webinar: From Stage to Weightlessness – The Making of PARABOLES

    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 Tsakos shares the story of Space Wonders: the first theatrical company for space, and PARABOLES, a fully choreographed performance in microgravity currently in preparation for flight. Tsakos is a director, […]

  • Opportunities for On-Orbit Computing

    Washington DC, USA

    Conversations with industry and government leaders on building, powering and managing data infrastructure in space followed by a networking reception. 15:00-19:00 EDT. With FCC Space Bureau Chief Jay Schwarz, Commercial Space Federation President Dave Cavossa, reps from Star Catcher, Planet, Overview Energy, Voyager Technologies, The Aerospace Corporation, Technology Strategy Partners […]

  • International Space Day

    Worldwide

    First Friday in May, events and presentations to promote STEM education and inspire people to continue the work of Space explorers; originally began as ‘National Space Day’ in 1997 by Lockheed Martin Corp.

  • Launch Falcon 9 / Starlink Group 10-38

    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 ASDS ASOG after this 31st flight.

  • Launch Falcon 9 / CAS500-2 & Others

    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 satellites including first spacecraft of Wichita State University, Solar Neutrino Astro-Particle PhYsics (SNAPPY) 3U Cubesat, a test and background-measurement detector being put in polar orbit to explore the fusion core […]

  • 24th AstroDay

    Hilo HI, USA

    Family-friendly free event, 10:00-16:00 HST at Prince Kūhiō Plaza shopping center, to educate and entertain about astronomy and space, with >30 organizations hoping to inspire next-generation science and technology leaders. Booths / tables may have a solar telescope for safely viewing the Sun surface, hands-on robotics activities, info on how […]

  • GEOINT Symposium 2026

    Aurora CO, USA

    Includes sessions on The Space Economy, SATCOM, Fusing Space / Air / Surface Sensing. Expecting 4,000+ attendees. Special attention to students and young professionals. At Gaylord Rockies Resort & Convention Center, 6700 N Gaylord Rockies Boulevard.

  • Asia-Pacific Regional IAU Meeting (APRIM 2026)

    Hong Kong, China

    More than 570 abstracts were received, 14 plenary and 51 invited speakers span 9 themes, and 58 early career astrophysicists have received travel grants for this Asia Pacific Regional International Astronomical Union (IAU) Meeting, a highly anticipated gathering that convenes astronomers, researchers, and enthusiasts from countries across the Asia Pacific […]

    HKD2000 – HKD3000
  • European Geosciences Union General Assembly EGU26

    Vienna, Austria

    Includes Lunar Session for discussion of the latest advancement in lunar science, exploration and sustainable utilization, including the deep interior, subsurface structure, surface morphology, up to atmospheric dynamics and the solar wind interaction. Online attendance also offered, with no charge for students and those from certain countries.

    Free – €765
  • Luxembourg Space Resources Week 2026

    Luxexpo, Luxembourg

    Hosted annually in Luxembourg, Space Resources Week is organised by the European Space Resources Innovation Centre (ESRIC), in collaboration with the European Space Agency (ESA), the Luxembourg Space Agency (LSA) and the Luxembourg Institute of Science and Technology (LIST). The event brings together space agencies, industry leaders, researchers and early-stage […]

  • Online Course: Applied Space Systems Engineering

    Online

    Practical application of space systems engineering processes throughout the mission lifecycle. CE Units available; Live only, no recording; 11:00-17:00 EDT | 15:00-19:00 UTC | 08:00-14:00 PDT | 05:00-11:00 HST on May 4, 5, 6, 7. AIAA Certificate of Completion to be awarded.  

    US$495 – US$1195
  • 4S Symposium (Small Satellites Systems and Services)

    Forte Village, Sardinia, Italy

    Authors are invited to contribute to this year’s theme Swarming the Skies, Soaring Beyond: from VLEO to Deep Space. As in the tradition of the 4S Symposium, the selected papers will be discussed in a dedicated session on the first day of the event. The programme will also cover technical sessions, […]

  • Observation of First American in Space: Alan Shepard

    United States of America (USA)

    May 5, 1961, Alan Shepard reached the air / space dividing line acknowledged by U.S. government, 50 miles / 80 km. The mission, known as Mercury-Redstone 3 (MR-3) or Freedom 7, was part of Project Mercury, the United States' first human spaceflight program. The internationally accepted altitude of 62 miles […]

  • Launch Falcon 9 / Starlink Group 17-29

    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 after this 24th use. Its first use took Dragon Crew-7 to the ISS. OCISLY first use was to land the 1st stage for the flight of Dragon Crew-8.

  • 2nd Canadian Space Launch Conference

    Ottawa, Ontario, Canada

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