The Maryland Space Business Roundtable (MSBR) will hold its next luncheon on May 20, 2026 from 11:30 am-1:00 pm ET at Martin's Crosswinds in Greenbelt, MD The speaker is Victor Hall, Acting Director of the Division of Systems Analysis, U.S. Nuclear Regulatory Commission. More information is on the event's website, which says: Victor Hall is a …

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On May 22, 2026 at 10:00 am ET the Mitchell Institute will hold a virtual meeting to release a new paper entitled "Military Human Spaceflight: a Key Component to American Space Superiority" written by the Institute's Col. Kyle "Puma" Pumroy, USAF (Ret.). More information is on the event's website, which says: As the modern space …

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Experts from the Center for Strategic and International Studies (CSIS) and the Secure World Foundation (SWF) will discuss "What are the Biggest Threats in Space?" during a webinar on May 22, 2026 from 1:00-2:00 pm ET. More information is on the event's website, which says: Please join the Center for Strategic and International Studies (CSIS) …

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Update, May 22, 11:25 am ET: SpaceX confirms they'll try again today. Launch window is the same. Webcast begins about 45 minutes prior to liftoff and they've changed the time the webcast will begin in just the last few minutes. Now it's 5:58 pm ET, so liftoff would be about 6:45 pm ET. Check the …

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China will launch its next crew to the Tiangong space station on May 24, 2026 from the Jiuquan Satellite Launch Center in the Gobi Desert at 11:08 pm Beijing Time, which is 11:08 am Eastern Daylight Time. The crew includes the first taikonaut from the Hong Kong Special Administrative Region, a woman, Li Jiaying or …

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May 25, 2026 is a U.S. Federal holiday in observance of Memorial Day. Government offices will be closed. Memorial Day honors those who died in battle or from injuries suffered during battle, as compared with Veterans Day on November 11, which honors all who served in the military, whether they served in peace or wartime …

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On May 25, 1961, in a speech to Congress on Urgent National Needs, President John F. Kennedy called on the nation to commit itself to the goal of landing a man on the Moon and returning him safely to Earth "before this decade is out." It initiated what became known as the Apollo program and …

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SmallSat Europe 2026 will take place May 26-28, 2026 at RAI, Amsterdam. More information is on the event's website.

New Space Nexus will hold the State of the Space Industrial Base 2026 (SSIB 2026) conference from May 26-29, 2026 at the Sheraton Albuquerque Airport Hotel (Marriott), 2910 Yale Blvd, S.E., Albuquerque, New Mexico. More information is on the event's website.

The Center for Strategic and International Studies (CSIS) will hold a webinar on May 26, 2026 from 1:00-1:45 pm ET on "Warfighting and War Winning in Space." More information is on the event's website, which says: For decades, space served as the silent backbone of American military power—essential to U.S. operations on Earth, but largely out of public …

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NASA will hold a news conference at NASA HQ in Washington, DC on May 26, 2026 at 2:00 pm ET to provide an update on their Moon Base strategy and missions. The event will livestream on NASA+ and the agency’s YouTube channel. Participants are: NASA Administrator Jared Isaacman Lori Glaze, acting associate administrator, Exploration Systems Development Mission Directorate …

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Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev will conduct a spacewalk at the International Space Station on May 27, 2026. The 5-hour spacewalk is scheduled to begin at 10:15 am ET. NASA will provide live coverage beginning at 9:45 am ET. This is Kud-Sverchkov's second spacewalk and Mikaev's first. More information is in NASA's press …

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The Beyond Earth Institute (BEI) will hold its next webinar on May 27, 2026 from 1:00-2:00 pm ET on "Securing a Cislunar Future: Markets, Minerals, and Momentum." Speakers are: Andrew Aldrin, Program Coordinator, Masters of Space Operations, Embry-Riddle Aeronautical University Hoyt Davidson, Founder & Managing Partner, Near Earth LLC Chris Salvino, CEO & Founder, Lunar …

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GSOA will hold a webinar on May 28, 2026 at 10:00 am ET on "Cybersecurity in Space: Hardening Networks, Supply  Chains & Architectures." More information is on GSOA's website, which says: As space systems become increasingly connected and commercially driven, cybersecurity has emerged as a critical pillar of resilience. This session explores the evolving threat …

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The International Space University - USA Alumni Association’s Washington, DC Chapter will hold its next Space Café on May 28, 2026 from 6:00-8:00 pm ET at 1020 N Highland St, Arlington, VA. The speaker is Justin Tilman, Director for Civil Space Business at Loft Orbital. More information is on the event's website, which says: The …

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The Committee on Planetary Protection of the National Academies of Sciences, Engineering, and Medicine will meet virtually on June 1-2, 2026. The meeting is 8:30 am-5:30 pm each day. The topic is "Limits of Terrestrial Life and the Probability of Growth on Mars." More information is on the event's website.

The International Academy of Astronautics (IAA) will hold the 2nd Latin American Conference on Space & Society in Salta, Argentina from June 1-6, 2026. More information is on the event's website.

The NSF-NASA-DOE Astronomy and Astrophysics Advisory Committee (AAAC) will meet virtually on June 1, 2026 from 9:00 am-5:00 pm ET. More information is in the Federal Register notice, which is reproduced below: NATIONAL SCIENCE FOUNDATION Astronomy and Astrophysics Advisory Committee; Notice of Meeting In accordance with the Federal Advisory Committee Act (Pub. L. 92- 463, …

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The International Astronautical Federation (IAF) will hold the 2026 Global Space Conference on Climate Change (GLOC) from June 2-4, 2026 in Kigali, Rwanda. More information is on the event's website.

Update, May 20:  The agenda is posted. Sessions on Tuesday, Wednesday and Thursday are both in-person at the Keck Center and online, Friday is online only. Original Entry: A joint meeting of the National Academies' Space Studies Board (SSB), Aeronautics and Space Engineering Board (ASEB), and Board on Physics and Astronomy (BPA) will take place …

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