NASA has delayed astronaut Sunita Williams's second spacewalk, originally planned for Thursday. The spacewalk, technically ...

LIVE: Two @NASA_Astronauts, Nick Hague and Suni Williams, step outside of the @Space_Station to support station upgrades, ...

Spacewalk preparations continue aboard the International Space Station to remove communications gear and search for microbes ...

Currently, Whitson holds the record for the most cumulative spacewalking hours by a female astronaut with 10 spacewalks ...

Space missions lasting months can result in muscle atrophy, bone density loss, and fluid redistribution, all of which are amplified by microgravity.

Sunita Williams, one of the two NASA astronauts stranded on the ISS, completed her first spacewalk since arriving onboard ...

NASA astronaut Sunita Williams returns to spacewalk after seven months, tackling repairs on the International Space Station.

The pictures were taken inside the International Space Station last week, when Sunita Williams and Nick Hague donned ...

Sunita Williams, an Indian-origin astronaut, conducted her first spacewalk in seven months alongside Nick Hague at the ...