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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Explore Mars will hold a briefing on Capitol Hill on June 2, 2026 from 10:00-11:30 am ET to discuss "Harnessing the Moon to Enable Mars." It will take place in 2325 Rayburn House Office Building. Members of Congress, congressional staff, policymakers and the general public are welcome. Speakers are: Moderator: Chris Carberry (CEO, Explore Mars, Inc.) -              Dr. …

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Update, May 14:  The event has been rescheduled for June 2, 2026 at 12:00 pm ET. Original Entry: The Mitchell Institute's Aerospace Nation series will hold a conversation on May 18, 2026 at 12:00 pm ET with Rep. August Pfluger (R-TX) about the defense budget. More information and registration instructions are on the event's website, …

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Space Tech Expo USA will take place June 3-4, 2026 in Anaheim, CA. More information is on the event's website, which says:

The Secure World Foundation is co-sponsoring the second Space Capacity Allocation for the Sustainability of Space Activities workshop from June 3-5, 2026 at Politecnico di Milano, Italy. More information is on the event's website, which says in part: Space, as any other ecosystem, has a finite capacity. The continuous growth of space activities, due to …

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The Greater Los Angeles Chapter of the Association of the U.S. Army (AUSA) will hold a symposium from June 4-5, 2026 at the Marriott Downtown Long Beach Hotel, Long Beach, CA. The theme is "Space: Enabling Multi-Domain Operations." More information is on the event's website, which says: The Greater Los Angeles Chapter of the Association …

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The American Bar Association (ABA) will hold its 2026 Space Law Symposium on June 4, 2026 from 7:30 am-5:30 pm ET at Hogan Lovells, 555 13th St., NW, Washington, DC. More information is on the event's website, which says: ABOUT THIS EVENT It’s never been a more exciting time to be a part of the …

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The National Space Society will hold the 44th International Space Development Conference, ISDC 2026, from June 4-7, 2026 at the Hilton McLean Tysons Corner, McLean, VA. The theme is: "Space For Us All." More information is on the event's website, which says: The NSS invites you to ISDC 2026, the annual gathering of the global …

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The House Armed Services Committee (HASC) will mark up the FY2027 National Defense Authorization Act (NDAA) on June 4, 2026 in 2118 Rayburn House Office Building starting at 10:00 am ET.  Traditionally, this markup lasts throughout the day and well into the night. The text of the "chairman's mark" that is the starting point for …

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The Progressive Policy Institute (PPI) and the Computer & Communications Industry Association (CCIA) will hold a discussion on "Enabling the Final Frontier: Scaling Launch Capacity & Competition" on Capitol Hill in 385 Russell Senate Office Building from 2:45-4:00 pm ET. More information is on the event's website, which says: The Progressive Policy Institute (PPI) and …

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