The International Society for Photogrammetry and Remote Sensing (ISPRS) will hold the 2025 ISPRS Geospatial Week (GSW 2025) conference in Dubai, UAE, from April 6-11, 2025. More information is on the event's website.

The Navy League will hold the Sea-Air-Space 2025 Conference and Exposition at the Gaylord National Resort & Convention Center, National Harbor, MD (outside Washington, DC) from April 7-9, 2025. A STEM Expo precedes the conference on April 6. More information is on the event's website.

The Space Foundation will hold the 40th Space Symposium from April 7-10, 2025 at The Broadmoor in Colorado Springs, CO. More information is on the event's website.

Russia will launch the Soyuz MS-27 mission to the International Space Station from the Baikonur Cosmodrome in Kazakhstan on April 8, 2025 at 1:47 am ET (5:47 am UTC, 10:47 am at Baikonur).  They are scheduled to spend about eight months (instead of the typical six months) on the ISS, returning in December. The crew …

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Update, March 22:  The agenda is available. A virtual option is available. The first day begins at 9:30 am April 9 Japan Standard Time (JST) and the last panel begins at 4:15 pm JST (the ending time is not shown). That is April 8, 8:30 pm Eastern Daylight Time (EDT), to April 9, 3:15 am …

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The Senate Commerce, Science, and Transportation Committee will hold a hearing on April 9, 2025 in 253 Russell Senate Office Building at 10:00 am ET on the nomination of Jared Isaacman to be Administrator of NASA. The hearing will be webcast on the committee's website. The committee will meet first in executive session to vote …

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The Strategic Forces subcommittee of the House Armed Services Committee (HASC) will hold a posture hearing on April 9, 2025 at 3:30 pm ET in 2118 Rayburn House Office Building.  The hearing will be webcast on the committee's website. Witnesses are: Gen. Anthony Cotton, Commander, U.S. Strategic Command Gen. Gregory Guillot, Commander, U.S. Northern Command …

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The next Lunar Surface Science Workshop (LSSW) will take place virtually on the evenings (CENTRAL Time) of April 9 and 10, 2025. The topic is "Uncrewed Science with the Pressurized Rover." Japan is building the pressurized rover for the Artemis Program and the times for this event appear to have been chosen to allow participation …

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The Center for Strategic and International Studies (CSIS) will hold a webinar on April 10, 2025 from 10:00-11:00 am ET on "Space and Domain Lessons from Russia-Ukraine" as part of its "Conflict in Focus" series. More information and registration instructions are on the event's website, which says: The war in Ukraine has demonstrated significant strides …

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The Center for Strategic and International Studies will hold an event on April 11, 2025 at its offices at 1616 Rhode Island Ave, NW, Washington, DC and online from 1:00-4:00 pm ET. The topic is: "Deepening the U.S.-Japan Space Security Relationship." More information, the agenda, and list of participants are on the event's website, which …

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April 12 is celebrated around the world as Yuri's Night to commemorate the spaceflight of Soviet cosmonaut Yuri Gagarin, the first human to orbit the Earth on April 12, 1961. More information is on the Yuri's Night website. April 12 also is the anniversary of the first flight of the U.S. space shuttle (Columbia) 20 …

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Update, April 13:  Open sessions are on April 14-15 and will be available virtually for registered participants. The agenda is posted.  Times on the agenda are in Central European Summer Time (CEST).  Add 6 for EDT. Original Entry: The Committee on Space Research (COSPAR) Panel on Planetary Protection will meet at the German space agency, …

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Update, April 13:  Blue Origin's livestream will begin at 8:00 am Eastern Time (7:00 am Central). The NS-31 crew is gearing up for launch! ???? Watch Aisha Bowe, Amanda Nguyễn, Gayle King, Katy Perry, Kerianne Flynn, and Lauren Sánchez lift off from Launch Site One on April 14. Live coverage begins here on Monday at …

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AIAA will hold the 2025 Defense and Security Forum from April 15-18, 2025 at the Johns Hopkins University Applied Physics Lab in Laurel, MD.  The event is classified at the Secret/NOFORN level. More information is on the event's website, which says: Developing and Delivering Decisive Capability at Speed and Scale The AIAA Defense and Security …

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The Center for Strategic and International Studies (CSIS) will hold a webinar on April 15, 2025 from 10:00-11:00 am ET on "Enhancing U.S.-ROK Space Cooperation." More information and registration instructions are on the event's website, which says: Please join the CSIS Aerospace Security Project on Tuesday, April 15, 2025 at 10:00am EDT for a virtual panel discussion on U.S.-Republic …

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The Royal Aeronautical Society (RAeS) Washington D.C. branch will hold the "2025 Enduring International Partnership in Space Summit" at the Canadian Embassy in Washington, D.C. on April 16, 2025 from 8:30 am-12:30 pm ET. More information and the agenda are on the event's website, which says: The 2025 Enduring International Partnership In Space Summit brings …

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Space News will hold a webinar on April 16, 025 from 11:00 am-12:00 pm ET on "Competing with the (Space)X Factor. More information is on the event's website, which says: SpaceX’s sprawling Starlink constellation has reshaped the satellite broadband landscape, pressuring rivals to keep up or change the game entirely. With more than 7,000 satellites …

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The ISS National Lab will hold a media briefing on April 16, 2025 at 1:00 pm ET to discuss the research and technology experiments that will be launched to the International Space Station on SpaceX's 32nd cargo mission, SpX-32, currently scheduled for April 21, 2025. The briefing will be livestreamed for the public, who can …

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W2 Communications will hold a webinar on April 17, 2025 at 11:00 am ET on "Media Perspective: Insights on the Satellite and Space Industry." It is co-sponsored by Mobile Satellite Users Association, Dulles Regional Chamber of Commerce, NVC and the Washington Space Business Roundtable. Participants are: Jacqueline Feldscher, Payload Space Rachel Jewett, Via Satellite Maria …

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NASA's Aerospace Safety Advisory Panel (ASAP) will hold its 2nd quarter 2025 public briefing on April 17, 2025 from 3:00-4:30 pm CENTRAL Time (4:00-5:30 pm Eastern).  The public may listen to the briefing via telephone only. More information is in the Federal Register notice, which is reproduced below. NATIONAL AERONAUTICS AND SPACE ADMINISTRATION Aerospace Safety …

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