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

Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to No. 4 overall.

Astronauts Butch Wilmore and Suni Williams are conducting a spacewalk outside the International Space Station to remove ...

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

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

NASA astronaut Suni Williams set a female spacewalk record after venturing outside the International Space Station with ...

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

Williams, who was on her ninth spacewalk, now ranks fourth worldwide for longest accumulative spacewalking time.

Stranded NASA astronauts Suni Williams and Butch Wilmore conducted a spacewalk outside of the International Space Center on Thursday for maintenance.

NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost ...