All articles
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Commercial
Rocket Lab's 94th Electron Puts Another Synspective Radar Eye in Orbit
Rocket Lab launched its 94th Electron before dawn on September 3, deploying a Synspective radar satellite in a mission that also doubled as a routine demonstration of the FAA's new unified Part 450 launch licensing rules.
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Science & Discovery
Roman Space Telescope Powers On Its Planet-Imaging Coronagraph
Days after launching on a Falcon Heavy, NASA's Roman Space Telescope switched on its Coronagraph Instrument on September 1, kicking off months of calibration before it attempts to directly image planets around nearby stars.
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Science & Discovery
A Single Flicker Underground: LUX-ZEPLIN's Tantalizing Brush With Dark Matter
Nearly a mile beneath South Dakota, the LZ detector caught one particle recoil it can't explain — a 2.6-sigma whisper of dark matter that's exciting physicists without convincing them.
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Stargazing
September Sky: The Moon Crashes the Pleiades, Then Blots Out Jupiter
A waning gibbous Moon slides past the Pleiades this week, sets up a close pass with Jupiter on Sept. 6, then briefly occults the giant planet on Sept. 8 for skywatchers in Canada, the contiguous U.S., Greenland and Russia.
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Commercial
Sierra Space Books National Security Customers for Dream Chaser's First Flight
Sierra Space says its long-delayed Dream Chaser spaceplane will carry national security, civil and NASA cargo payloads together on one debut flight from Kennedy Space Center to Vandenberg.
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Science & Discovery
BepiColombo Sheds Its Transfer Module, Opening the Riskiest Phase of the Mercury Mission
On Sept. 3, ESA's Mercury Transfer Module separates from BepiColombo's two science orbiters, opening a sequence ESA calls among the most demanding it has ever run before November's orbit insertion.
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Missions
NASA, SpaceX Push Back Crew-13 Launch After Oxidizer Leak Found on Dragon
A propulsion-system oxidizer leak found during routine prelaunch processing has pushed Crew-13's ISS launch off its Sept. 12 target, with no new date set as NASA and SpaceX run tests and review data.
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Military Space
Schiess Confirmed as Third Chief of Space Operations as Saltzman Prepares to Hand Over Command
The Senate confirmed Lt. Gen. Douglas Schiess as the Space Force's third Chief of Space Operations, with a Sept. 3 ceremony at Joint Base Andrews set to formally end Gen. Chance Saltzman's nearly four-year tenure.
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Commercial
SpaceX Launches 27 Starlink Satellites on Record-Setting Booster's 35th Flight
A Falcon 9 booster flew for a record 35th time out of Vandenberg early Sept. 2, deploying 27 more Starlink satellites and sticking its droneship landing in the Pacific.
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Military Space
Gravitics' 'Orbital Carrier' Gets Its First Golden Dome Hardware Order, Care of Lockheed Martin
Seattle startup Gravitics has landed a Lockheed Martin subcontract to build three flight-ready Orbital Carriers for the Pentagon's Golden Dome missile-defense architecture, with demos slated for 2027-2028.
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NASA & Agencies
Meir and Adenot Step Outside for U.S. Spacewalk 99, the Sixth All-Female EVA in History
NASA's Jessica Meir and ESA's Sophie Adenot spent 6.5 hours outside the ISS on Sept. 1, 2026, swapping hardware on Harmony and the truss in the sixth all-female spacewalk ever flown.
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Commercial
OHB Wins Nearly €1 Billion to Build IRIS²'s First 18 Satellites as Europe's Sovereign Network Moves to Hardware
Germany's OHB landed a nearly €1 billion SES contract to build all 18 IRIS² medium-Earth-orbit satellites, the first hardware award since the EU's sovereign connectivity program signed its implementation agreement in early August.
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