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

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

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

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

"I have just asked Elon Musk and SpaceX to 'go get' the 2 brave astronauts who have been virtually abandoned in space by the ...

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

Posts by President Trump and Elon Musk roiled the space community, raising the prospect of an earlier-than-planned return for the Starliner crew.

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