Two experimental satellites built for the Space Development Agency are “tumbling” in orbit, the agency director said.

Sierra Space is in discussions with the European Space Agency and German aerospace center DLR to extend existing partnerships covering crew access to the International Space Station to include new commercial vehicles.

Startup Dawn Aerospace has completed initial test flights of a reusable suborbital spaceplane demonstrator in New Zealand.

Blue Origin’s reusable New Shepard suborbital rocket successfully boosted 19 experiments to the fringes of space on Aug. 26.

U.S. Space Force, Space Command and the National Reconnaissance Office have signed a “protected defense” strategic framework to align their space warfighting efforts.

Aircraft and satellites are being used in a research campaign to measure methane being released as the permafrost thaws in regions north of the Arctic Circle.

Startup Astroscale’s ELSA-d orbital debris removal demonstration has accomplished its first key goal, with the servicer satellite showing how it would capture a defunct spacecraft.

Production of the first all-new and modernized RS-25 engines for NASA’s Space Launch System has begun in Aerojet Rocketdyne’s newly expanded Los Angeles manufacturing facility.