US military officials believe Russia and China are aggressively testing new offensive space capabilities, pointing to a ...

Astronauts orbiting 250 miles above Earth got a front-row seat to destruction on Thursday. During a SpaceX flight test of ...

Space Marine 2’s first public test server is now live, and with it comes an early look at the long-awaited Update 7.0 and its ...

NASA's stuck astronauts are heading home now that a replacement crew has arrived at the International Space Station.

NASA astronauts Butch Wilmore and Suni Williams departed the International Space Station early on Tuesday morning in a SpaceX ...

Two NASA astronauts are heading home on a SapceX ship after about nine months at the International Space Station.

Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.

NASA’s two stuck astronauts headed back to Earth with SpaceX on Tuesday to close out a dramatic marathon mission that began ...

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Massachusetts native Suni Williams is among NASA’s two stuck astronauts headed back to Earth with SpaceX on Tuesday -- a ...