NASA's Anil Menon and the ESA's Sophie Adenot are heading back outside the International Space Station for a planned Aug. 25 spacewalk. Watch live.

NASA and European Space Agency (ESA) astronauts have completed the installation of a new high-speed antenna outside the International Space Station, marking another step in the evolution of orbital communication systems,

A tour of Johnson Space Center in Houston shows how NASA and private industry are already working together on the future of human spaceflight.

Last week, NASA announced that it had postponed a January 8 spacewalk after a crew member suffered a medical incident on board the International Space Station. The agency said at the time that the “matter involved a single crew member who is stable.”

NASA confirmed Thursday that the Russian segment of the International Space Station has begun leaking atmosphere into space again. It’s an old problem that NASA recently hoped was resolved. For more than half a decade, engineers from Roscosmos and NASA ...

NASA's Suni Williams—one of two astronauts stuck for months at the International Space Station—has retired. The space agency announced the news Tuesday, saying her retirement took effect at the end of December. Williams' crewmate on Boeing's ill-fated ...

For the first time ever, NASA has been forced to cut a mission to the International Space Station short due to a “serious medical condition” affecting a crew member. The four Crew-11 astronauts, who arrived at the station in early August, will now be ...

Negotiations between Senate and House Republicans over a bill to reauthorize the National Aeronautics and Space Administration have stalled as President Trump is scheduled to visit NASA’s Johnson Space Center in Houston Friday.