The United Nations Institute for Disarmament Research (UNIDIR) will hold its 2025 Outer Space Security Conference at the Palais des Nations in Geneva, Switzerland, from September 9-10, 2025.  A virtual option is available. More information is on the event's website, which says: Global reliance on space-based technologies has increased considerably. At the same time, threats …

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xFoundry, Amazon and  SpaceCom in collaboration with NASA will hold the NEXPLORE 2040 summit from September 9-11, 2025 at Amazon HQ2, 510 14th St South, Arlington, VA. More information is on the event's website, which says: Join xFoundry, NASA, Amazon, and SpaceCom in collaboration with visionaries across Technology, Entrepreneurship, Arts & Athletics, Marketing, and Science …

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The U.S. Chamber of Commerce will hold the 2025 Global Aerospace Summit from September 9-11, 2025 at its headquarters at 1615 H St. NW, Washington, DC. More information and the agenda are posted on the event's website, which says:

The NASA Innovative Advanced Concepts (NIAC) Symposium will take place from September 9-11, 2025 in Philadelphia, PA and will be livestreamed. More information is on the event's website, which says: NASA Innovative Advanced Concepts (NIAC) seeks innovative, technically credible, advanced concepts that could one day change the possible in aeronautics and space. The NIAC Symposium …

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The Heliophysics, Physics and Physical Sciences Panel of the National Academies study on Key Non-Polar Destinations Across the Moon to Address Decadal-level Science Objectives with Human Explorers will meet virtually on September 9, 2025 from 4:00-5:30 pm ET. Check the panel's website for up to date information.

Update, September 5:  The markup has been rescheduled for September 10, 2025 at 10:00 am ET in 2359 Rayburn House Office Building.  The meeting will be webcast on the committee's website. Update, July 23:  The markup has been postponed because House Speaker Johnson decided to send the House home a day early, on July 23, …

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NASA will hold a virtual Lunar Surface Science Workshop (LSSW) on September 10, 2025 from 11:00 am-5:00 pm ET to "solicit inputs in the formulation of Artemis IV Landing Site figures of merit (FOMs) to optimize the scientific return from the mission." Artemis IV will be the second human lunar landing mission in the Artemis …

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NASA will hold a media telecon on September 10, 2025 at 11:00 am ET to discuss analysis of a rock sample collected by the Mars Perseverance rover last year called Sapphire Canyon. It was collected in July 2024 from a set of rocky outcrops on the edges of Neretva Vallis, a river valley carved by …

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The ISS National Lab will hold a webinar on September 10, 2025 at 1:00 pm ET to discuss science experiments that will be launched aboard Northrop Grumman's NG-23 cargo mission to the ISS that is scheduled for September 14 (see our separate Calendar entry). The webinar will be recorded and shared to the International Space …

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Update, September 7:  The link to this event on AIAA's website no longer works.  A different AIAA website we were able to find says they are combining this event with the Space Transformation Summit from January 21-22, 2026. Original Entry: AIAA and the Aerospace Corporation will hold the "Innovation Summit for Layered Missile Defense" at …

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Russia will launch the Progress MS-32 cargo ship to the International Space Station on September 11, 2025 from the Baikonur Cosmodrome in Kazakhstan at 8:54 pm local time (11:54 am Eastern Daylight Time). NASA will provide live coverage starting at 11:30 am ET on  NASA+, and Amazon Prime. If launch is on schedule, docking will …

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NASA, Northrop Grumman (NG), and SpaceX will hold a pre-launch media telecon on September 12, 2025 at 11:30 am ET prior to the launch of the NG-23 cargo mission to the ISS, scheduled for September 14 (see our separate Calendar entry). NG's Cygnus spacecraft will launch on a SpaceX Falcon 9 rocket from Cape Canaveral …

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Progress MS-32 is scheduled to launch from the Baikonur Cosmodrome in Kazakhstan on September 11 (see our separate Calendar entry). If launch is on time, Progress MS-32 will dock with the International Space Station on September 13 at 1:27 pm ET. NASA coverage begins at 12:30 pm ET on  NASA+ and Amazon Prime.

The AMOS conference organizers and the Space Generation Advisory Council (SGAC) will hold the 2025 EMER-GEN meeting from September 14-16, 2025 immediately prior to the 2025 AMOS conference at the same venue, the Wailea Beach Resort Marriott on the Hawaiian island of Maui. EMER-GEN is for "young professionals and students enthuastiastic about careers in space."  …

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The 39th International Electric Propulsion Conference will take place September 14-19, 2025 at Imperial College London, Exhibtion Rd., South Kensington, London, UK. The theme is:  "Electric Propulsion, a Gateway to the Cosmos." More information is on the event's website.

Northrop Grumman's 22rd cargo mission to the International Space Station, NG-23, is scheduled for launch on a Falcon 9 rocket from Cape Canaveral Space Force Station, FL on September 14, 2025 at 6:11 pm ET. (This is the 22nd mission rather than the 23rd because the NG-22 capsule was damaged during shipping to the launch …

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Update, August 30:  The NASA ExMAG meeting from September 15-17 and the joint ExMAG/MEPAG meeting September 18-19 are now listed as a single ExMAG meeting from September 15-19, 2025, so we are following suit and combining them on this Calendar entry.  Check the event's website for up to date information and the agenda. Update, June …

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The annual World Space Business Week, organized by Novaspace (formerly Euroconsult), will take place September 15-19, 2025 at Hôtel du Collectionneur in Paris, France. The conference combines the Summit for Satellite Financing (SSF) and Summit on Earth Observation Business (SEOB). SSF, Monday-Tuesday SSF and SEOB, Wednesday SEOB, Thursday-Friday The Space Defense and Security Summit also …

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The Applied Sciences Panel of the National Academies study on Key Non-Polar Destinations Across the Moon to Address Decadal-level Science Objectives with Human Explorers will meet at the Beckman Center in Irvine, CA from September 15-17, 2025. Open sessions are only on September 15 and will be livestreamed. The open sessions begin at 9:00 am …

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The Space Defense and Security Summit will take place September 16-17, 2025 at the Les Salons Hoche in Paris, France in conjunction with World Space Business Week. More information is on the event's website, which says: The first edition of SDSS exceeded all expectations, marking an extraordinary success with over 450 registered delegates from more …

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