The National Institute of Standards and Technology (NIST), part of the Department of Commerce, will hold a second seminar on "Building an In-Space Circular Economy" on August 27, 2025 from 8:30 am-12:00 pm ET at the Department of Commerce Research Library, 1401 Constitution Ave., NW, Washington, DC.  (The first was on February 13, 2025.) More …

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The Panel on Lunar & Planetary Science of the Committee on Key Non-Polar Destinations Across the Moon to Address Decadal-level Science Objectives with Human Explorers of the National Academies of Sciences, Engineering, and Medicine will meet in open session on August 27, 2025 from 10:00-11:35 am ET. The meeting is virtual. More information and the …

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The International Space University - USA Alumni Association’s Washington, DC Chapter will hold its next Space Café on August 27, 2025 at 1020 N Highland St, Arlington, VA (Phoenix Clubhouse Room). The speakers are Rashid Neighbors, Senior Business Development Lead - Military for Amazon Kuiper Government Solutions and Josh Ingersoll, Senior Manager of Government Lasercom …

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The FAA will hold a series of public meetings to receive input on its Draft Environmental Impact Statement (EIS) for operations of SpaceX's Starship/Super Heavy space transportation system at Launch Complex 39A at Kennedy Space Center, FL. The Draft EIS was released on August 4, 2025. It analyses 44 Starship/Super Heavy launches, 44 Super Heavy …

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Update, August 22:  Another panelist has been added -- Lockheed Martin's Tim Cichan. Original Entry: Space News will hold a webinar on August 28, 2025 from 1:00-2:00 pm ET on "Nuclear Power in Space." Participants (as of August 15): Bhavya Lal, Former Acting Chief Technologist, NASA (and former Associate Administrator for the Office of Technology, …

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September 1, 2025 is a U.S. Federal holiday, Labor Day.  Government offices will be closed. According to the Department of Labor: “Observed the first Monday in September, Labor Day is an annual celebration of the social and economic achievements of American workers. The holiday is rooted in the late nineteenth century, when labor activists pushed for …

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Update, August 31: The agenda is posted showing it begins at 10:25 am ET. The closing session begins at 4:35 pm ET, but the agenda doesn't state when it ends. Original Entry: The Lunar Surface Innovation Consortium (LSIC) will hold a virtual workshop on September 3, 2025 to discuss "Maintenance and Repair for Sustainable Lunar …

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Update, September 2:  The committee announced today that the time and witness list for the hearing has changed. It now will begin at 10:30 am ET instead of 10:00 am ET. Cutler and Bridenstine will still testify, but Cavossa will not and Mike Gold from Redwire and Lt. Gen. John Shaw (Ret.) have been added.  …

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The FAA will hold a series of public meetings to receive input on its Draft Environmental Impact Statement (EIS) for operations of SpaceX's Starship/Super Heavy space transportation system at Launch Complex 39A at Kennedy Space Center, FL. The Draft EIS was released on August 4, 2025. It analyses 44 Starship/Super Heavy launches, 44 Super Heavy …

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Updated, August 27 George Washington University's Space Policy Institute (SPI) and the GW Law School will hold an in-person event on September 4, 2025 in Washington, DC. The topic is "Space Law Across Borders: Comparative Frameworks in the United States, India, Japan, and South Korea." Speakers include: Ranjana Kaul, Partner, Dua Associations, New Delhi, India …

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NASA will hold a media telecon on September 4, 2025 at 12:00 pm ET to discuss the upcoming launch of two NASA spacecraft, the Interstellar Mapping and Acceleration Probe (IMAP) and the Carruthers Geocorona Observatory. They and NOAA's Space Weather Follow-on Lagrange-1, SWFO-L1, will all launch together on a Falcon 9 rocket from Kennedy Sapce …

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The International Space Elevator Consortium's annual conference will take place virtually from September 6-7, 2025. More informaton and weblinks are on the event's website.

The Europlanet Science Congress (EPSC) and the Division on Planetary Sciences (DPS) of the American Astronomical Society will hold their 2025 joint meeting from September 7-12, 2025 in Helsinki, Finland. More information and the agenda are on the event's website.

The American Astronautical Society (AAS) will hold the 2025 Glenn Space Technology Symposium at Case Western Reserve University in Cleveland, OH from September 8-10, 2025. A paid virtual option is available. More information and the agenda are posted on the event's website, which says:  

Update, September 7:  The agenda now says only two sessions are open: on Sept 8 from 1:00-1:50 pm Pacific Time and on Sept 9 fron 1:30-2:20 pm Pacific Time. Check the event's website for livestream links and up to date information. Original Entry: The Lunar and Planetary Science Panel of the National Academies study on …

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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.