Calendar of Events
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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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3 events,
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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 … |
2 events,
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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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1 event,
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. |
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2 events,
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. |
3 events,
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 … |
8 events,
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 … 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 … 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. |
11 events,
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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 … |
6 events,
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. |
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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." … 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.
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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 … |
5 events,
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 … 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 … |
6 events,
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 … The 2025 Advanced Maui Optical and Space Surveillance (AMOS) Technologies Conference will take place at the Wailea Beach Resort Marriott on the Hawaiian island of Maui from September 16-19, 2025. More information is on the event's website, which says: Top scientific conference in the field of space situational awareness (SSA)/space domain awareness (SDA) The Advanced … |
9 events,
The Committee on Biological and Physical Sciences in Space of the National Academies of Sciences, Engineering, and Medicine will meet from September 17-19, 2025 at the National Academy of Sciences building, 2101 Constitution Ave, NW, Washington, DC. More information and the agenda are on the event's website. Some sessions are open and some are closed. …
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The Senate Commerce, Science, and Transportation Committee will meet on September 17, 2025 in 253 Russell Senate Office Building at 10:00 am ET. The committee will begin by re-voting on the nomination (PN22-9) of Neil Jacobs to be Under Secretary of Commerce for Oceans and Atmosphere and Administrator of the National Oceanic and Atmospheric Administration …
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The Beyond Earth Institute (BEI) will hold a webinar on Septembder 17, 2025 from 12:00-1:30 pm ET on "Shortfalls of Food Production in Space and Future Needs." More information is on the event's website, which says: Join the Beyond Earth Institute on Wednesday, September 17, for a conversation about the critical challenge of food production in space. This …
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The Planetary Society will hold a webinar on September 17, 2025 at 4:00 pm ET to provide a NASA Budget Update. Speakers are Casey Dreier, Chief of Space Policy, and Jack Kiraly, Director of Government Relations, at the Planetary Society. More information and registration instructions are on the event's website, which says: A recording will … |
11 events,
SAE Media Group (SMG) will hold the Space Logistics Conference from September 18-19, 2025 at the Hilton Arlington, 950 Stafford St., Arlington, VA. More information is on the event's website, which says: The Space Logistics Industry is on track to generate $21 Billion by 2040, 20% of the total revenue of the space economy. SAE … The 2025 AFCEA/INSA Intelligence and National Security Summit will take place September 18-19, 2025 at the Gaylord National Resort in National Harbor, MD. More information is on the event's website, which says: Secure your spot today for #IntelSummit25, taking place on September 18-19 at the Gaylord National Resort, MD. Join 2,000+ professionals at the nation's premier …
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Update, September 17, 9:50 pm ET: NASA has now issued a press release confirming NG-23's arrival tomorrow and explaining the problem yesterday was "an early warning system initiated a shutdown command and ended the main engine burn because of a conservative safeguard in the software settings." Update, September 17, 8:10 pm ET: NASA's list …
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Update, September 14, 2025: The link on the event's website to registration and further information takes us to this today. We don't have any further information unfortunately. Check with UNL. Update, August 19, 2025: Our Annual Space Law Conference is a month away, featuring a panel titled "Insecurity in Space: What Are The Threats? How …
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The Beyond Earth Institute (BEI) will hold a webinar on September 18, 2025 from 1:00-2:30 pm ET to discuss "Navigating the New Space Policy Landscape: What the Latest Executive Order Means for Your Business." More information is on the event's website, which says: Join the Beyond Earth Institute on Thursday, September 18, for a roundtable discussion that …
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New America and the International Center for Law & Economics will hold a webinar on September 18, 2025, from 2:00-3:00 pm ET on "Boosting LEO Satellite Capacity: Is the FCCs Launch on Target?" More information is on the event's website, which says: The number of satellites in orbit, nearly 12,000, has grown dramatically in recent … |
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NASA and NOAA will hold two pre-launch news conferences on September 21, 2025 in advance of the launch of three satellites on a Falcon 9 rocket: NASA's Interstellar Mapping and Acceleration Probe (IMAP), NASA's Carruthers Geocorona Observatory, and NOAA's Space Weather Follow On-Lagrange 1 (SWFO-L1). The launch is scheduled for September 23 at 7:32 am … |
4 events,
The Air and Space Forces Association (AFA) will hold the 2025 Air, Space, Cyber Convention at the Gaylord National Resort and Convention Center, National Harbor, MD, from September 22-24, 2025. More information is on the event's website. The Chinese Society of Astronautics (CSA) and the International Academy of Astronautics (IAA) will hold the 11th CSA-IAA Conference on Advanced Space Technology from September 22-24, 2025 in Shanghai, China. The theme this year is: Exploring a New Home on the Moon. More information is on the event's website.
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Update, September 20: NASA says this event no longer will be streamed on Netflix. Original Entry: NASA will introduce the 2025 class of astronaut candidates at Johnson Space Center on September 22, 2025 at 12:30 pm ET. The event will air on NASA+, Netflix, Amazon Prime, NASA’s YouTube channel, and the agency’s X account. More information is in the NASA …
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Firefly Aerospace will hold a telecon on September 22, 2025 at 5:00 pm ET to discuss their second quarter 2025 financial results for the period ending June 30, 2025. More information is on the event's website. |
4 events,
The 42 International Communications Satellite Systems Conference (ICSSC) and Colloquium will take place September 23-25, 2025 at the UNESCO campus, Universitat Autònoma de Barcelona, UAB, (The Autonomous University of Barcelona), Spain. More information is on the event's website.
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Update: According to NASA's news release, the time of the briefings on September 23 were changed. They now are at 10:00 am and 12:00 pm ET instead of 11:00 am and 1:00 pm ET, although as of September 20 NASA's list of upcoming events still shows the original times. Original Entry: NASA will hold … |
8 events,
The panel on Heliophysics, Physics and Physical Sciences 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 at the National Academy of Sciences building, 2101 Constitution Ave, NW, Washington, DC from September 24-26, 2025. More …
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Update, September 22: The launch has been postponed a day "to allow more time for recovery assets to arrive at the landing zone." It is now set for Wednesday, September 24, at 7:30 am ET (two minutes earlier than before). 🚀LAUNCH UPDATE: NASA and SpaceX are now targeting 7:30 a.m. EDT, Wednesday Sept. 24 for …
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NASA will hold three briefings about the Artemis II mission on September 23 and September 24, 2025. The two September 23 briefings are on Mission Overview and Science and Technology (see our separate entry). The September 24 briefing at 10:00 am ET is with the Artemis II crew that will fly around the Moon in …
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The American Enterprise Institute (AEI) will hold an in-person event on September 24, 2025 at its offices at 1789 Massachusetts Ave, N.W., Washington, DC to discuss the new book "Rocket Dreams: Musk, Bezos and the Inside Story of the New, Trillion-Dollar Space Race" with its author, Washington Post reporter Christian Davenport. A virtual option is …
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The Planetary Society will hold a two-part virtual panel discussion on September 24 and October 20, 2025 to discuss "Navigating Uncertainty in Astrobiology." Part 1 on September 24 at 2:00 pm ET addresses Careers in Academia. More information in on the event's website, which says: Part 2 on October 20 at 2:00 pm ET addresses … |
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The Lunar Surface Innovation Consortium (LSIC) Surface Power Capability Area will hold their annual virtual workshop on September 25, 2025 from 11:00 am - 4:15 pm ET. More information and the agenda are on the event's website, which says: On September 25th, the LSIC Surface Power Capability Area will host their annual virtual workshop! This … |
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The Center for Strategic and International Studies (CSIS) will host a discussion of the new book "Rocket Dreams: Musk, Bezos, and the Inside Story of the New, Trillion-Dollar Space Race" with its author, Washington Post reporter Christian Davenport, on September 26, 2025 from 12:00-1:00 pm ET at its offices at 1616 Rhode Island Ave, NW, … |
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The Global Spaceport Alliance (GSA) will hold the GSA International Spaceport Forum in conjunction with the 2025 International Astronautical Congress taking place in Sydney, Australia. The Forum will take place on Sunday, September 28, the day before the IAC begins, at the PARKROYAL Darling Harbour Sydney, 150 Day Street, Sydney NSW 2000, Australia, from 9:00 … |
3 events,
Update, September 26: A NASA press release lists NASA events that will be livestreamed or otherwise available on the International Astronautical Federation's YouTube channel or social media outlets like Acting NASA Administrator Sean Duffy's X account (@SecDuffyNASA) or NASA's X account (@NASA). The meeting is in Sydney, Australia, which is 14 hours ahead of Eastern … NSF's National Optical-Infrared Astronomy Research Laboratory, NOIRLab, will hold the 2025 NOIRLab Science Conference at the University of Arizona in Tucson, AZ from September 29-October 2, 2025. More information is on the event's website, which says: We are happy to announce the 2025 NOIRLab Science Conference: The Solar System in Context. This is the third …
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The International Space University - USA Alumni Association’s Washington, DC Chapter (ISU-DC) will hold its next Space Café on Septemer 29, 2025 at 1020 N Highland St, Arlington, VA (Phoenix Club Room). The speaker is planetary geologist Kirby Runyon from the Planetary Science Institute. More information is on the event's website. |
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GROUNDBREAKERS 2025 will take place on September 30, 2025 beginning at 9:00 am PACIFIC Time (12:00 pm ET) and features a space panel that begins at 4:51 pm ET according to agenda on the event's website. Access to the in-person meeting is by invitation only, but it will be livestreamed.
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NASA's Science Mission Directorate (SMD) will hold a virtual meeting on September 30, 2025 at 2:00 pm ET to provide a briefing on the ROSES-25 A.10 INNOVATE proposal requirements and the review process. More information is on SMD's website, which says (as of August 30): ROSES-25 A.10 INNOVATE Preproposal Conference September 30, at 2 pm … |
3 events,
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Update, October 1: The news conference has been canceled because of the government shutdown. Original Entry: NASA will hold a news conference from Johnson Space Center on October 1, 2025 at 2:00 pm ET "to highlight the upcoming mission of astronaut Chris Williams" to the ISS. NASA astronaut Chris Williams. It will stream live on … |
2 events,
World Space Week takes place every year from October 4-10 to mark the beginning of the Space Age on October 4, 1957 with the launch of Sputnik by the Soviet Union and the entry into force of the U.N. Outer Space Treaty on October 10, 1967. Events take place globally and World Space Week has …
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The 2025 International Observe the Moon Night will take place globally on October 4, 2025. More information is on NASA's Observe the Moon website. |