Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to number four overall.

Astronauts Butch Wilmore and Suni Williams will conduct a spacewalk outside the International Space Station to swab the ...

NASA's two stuck astronauts are taking their first spacewalk together, exiting the International Space Station almost eight ...

President Donald Trump took to social media this week to announce he had directed SpaceX CEO Elon Musk to “go get” two NASA ...

NASA's two stranded astronauts conducted their first spacewalk together Thursday, stepping outside the International Space Station.

And while they make their way across, flight controllers have given the command to power ... stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk ...

NASA initially expected to conduct its space walk last summer with astronauts Tracy C. Dyson and Matt Dominick, but scrubbed the mission after one of them reported a “spacesuit discomfort issue.” ...

This story incorporates reporting from Bill McEwen, Space.com and CNN on MSN.com.NASA astronauts Suni Williams and Butch Wilmore, currently stationed aboard the International Space Station (ISS), have ...

One of NASA’s two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since arriving at the International Space Station more than seven months ...