Astrophotographer Thierry Legault captured the International Space Station transit the Sun. The NASA astronauts were ...

NASA astronauts Nichole Ayers and Anne McClain complete egress of the International Space Station during a spacewalk mission.

We were under a lot of pressure,’ commander Cai Xuzhe says, describing unrehearsed effort to fix problem with space station ...

An overnight "debris notification" prompted NASA to delay the spacewalk. It wasn't immediately clear if the alert was linked to a recent Russian weapon test that unleashed a cloud of debris.

For months before liftoff, the popular press had been hyping up the fact that the Polaris Dawn mission would include the first-ever private spacewalk. Not only would this be the first time anyone w… ...

The spacewalk is part of the Polaris Dawn mission—a five-day commercial mission to push the limits of commercial space travel exponentially. The event is set to take place on the crew’s third ...

On July 25, 1984, the Russian cosmonaut Svetlana Savitskaya became the first woman to embark on a spacewalk, also known as an ...

A tech billionaire performed the first private spacewalk hundreds of miles above Earth on Thursday, a high-risk endeavor reserved for professional astronauts — until now.Tech entrepreneur Jared ...

NASA astronaut Nichole Ayers photographed a rare atmospheric phenomenon over the US and Mexico known as a "sprite" that's ...