NASA’s SpaceX Crew 9 cannot return unless Crew 10 — its replacement — is launched into space. Here’s all you need to know ...

NASA astronaut Suni Williams, an experienced spacewalker, is set to participate in U.S. Spacewalks 91 and 92 on January 16 ...

Astronauts Suni Williams and Butch Wilmore, on an extended ISS mission, reassured the public about their well-being during a ...

The spacewalks are part of NASA’s ongoing efforts to upgrade and maintain the International Space Station (ISS).

The robot's flexible arms are a technology demonstration that could one day aid in satellite maintenance and space debris ...

Now officially seven months on board the International Space Station, the two NASA astronauts who flew up on Boeing’s ...

Two U.S. astronauts have been stuck on the International Space Station for months. A reader wonders what purpose that ...

Two US astronauts who have been stuck for months on the International Space Station (ISS) said Wednesday they have plenty of ...

A holiday photo of NASA astronaut Suni Williams looking gaunt has drawn concern — as her return to Earth has been delayed a second time. Images of Williams, 59, shared by NASA on Tuesday ...

Two spacewalks scheduled for this January will see astronauts updating station hardware and searching for microorganisms on ...