NASA astronauts Rick Mastracchio and Steve Swanson are headed outside the International Space Station this morning, on an urgent spacewalk to fix the station's broken backup computer. This spacewalk ...

Two astronauts are gearing up for some orbital maintenance work outside the International Space Station (ISS) during a rare all-woman spacewalk. NASA astronauts Anne McClain and Nichole Ayers are set ...

Watch live as NASA astronauts Anne McClain and Nichole Ayers perform a spacewalk outside the International Space Station. This is NASA’s fifth spacewalk with an all-female crew.

Two NASA astronauts have ventured outside the International Space Station to conduct a rare all-female spacewalk. When astronauts Anne McClain and Nichole Ayers emerged around 9 a.m. Thursday, May 1, ...

Two astronauts will exit the International Space Station for NASA's 93rd spacewalk.Astronauts Anne McClain and Nichole Ayers will relocate a space station communications antenna and install a mounting ...

Two U.S. astronauts will step out into space at 9:20 a.m. for a two-and-a-half hour spacewalk on Wednesday. Steve Swanson and Rick Mastracchio will install a backup computer on the exterior of the ...