Sunita “Suni” Williams and Barry “Butch” Wilmore, who have spent an unexpected eight months on the International Space ...

NASA astronaut Sunita “Suni” Williams, one of the two astronauts on an unintentionally extended stay aboard the International ...

This story incorporates reporting from Yahoo, Space on MSN.com and MSN.NASA astronaut Suni Williams set a new record with a ...

Suni Williams surpasses the most time by a woman on EVA during a spacewalk with Butch Wilmore outside the International Space ...

Williams and Wilmore both arrived at the ISS last June, aboard the first crewed test flight of Boeing's Starliner spacecraft.

As for the spacewalk itself, if you’d like to watch along with the event, it will be livestreamed on NASA’s streaming service ...

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

NASA astronauts Suni Williams and Butch Wilmore completed a spacewalk Thursday while awaiting their delayed return to Earth.

Among the objectives of the walk, there was an intriguing scientific objective: The duo swabbed the surface material around ...

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 are conducting a spacewalk outside the International Space Station to remove ...

Astronauts Williams and Wilmore conducted a 5-hour, 26-minute spacewalk to remove radio hardware and collect samples on the ISS.