NASA astronaut Sunita Williams has completed over 200 days in space even since she reached the International Space Station on ...

Here's what we know about options SpaceX might have to bring the Starliner astronauts home faster from the space station.

The nearly 5.5-hour feat set a record for astronaut Sunita Williams, who became the woman with the most time spent on spacewalks in history ...

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

Sunita Williams lays claim to lead for female EVAs NASA 'naut Sunita Williams has broken Peggy Whitson's record for total spacewalking time for a female astronaut with a trip outside the International ...

The four American astronauts aboard the ISS, including the Boeing Starliner crew, spoke to USA TODAY in an exclusive interview Tuesday.

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore have been on the International Space Station since June, ...

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

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

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