Elon Musk has made unfounded claims that two NASA astronauts were left on the space station for "political reasons" after ...

Arizona's U.S. Sen. Mark Kelly and his twin brother, Scott Kelly, slammed Elon Musk after he insulted another astronaut on X.

NASA astronauts Suni Williams and Butch Wilmore respond to President Donald Trump's allegation that they were "abandoned in space" as they prepare for their flight back to Earth in March.

A high-flying war of words is underway after SpaceX CEO Elon Musk claimed two NASA astronauts had been stranded in space for political reasons.

Suni's mother said she speaks to her daughter regularly and is not concerned as she knows what Suni does and she's happy ...

Astronaut Suni Williams said she's trying to remember what it's like to walk after being stuck in space for almost seven ...

Butch Wilmore and Suni Williams stand a chance at finally coming home, NASA announced on Tuesday, a few weeks sooner than ...

Two NASA astronauts, stranded at the International Space Station since June, could return to Earth weeks earlier than ...

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

NASA astronauts Suni Williams and Butch Wilmore are embracing their unexpectedly long space journey, dismissing claims they ...

NASA astronaut Suni Williams set a female spacewalk record after venturing outside the International Space Station with fellow Boeing Starliner crew member.

Astronauts Suni Williams and Butch Wilmore, who have been on an unexpectedly monthslong assignment after serving on Boeing’s Starliner crewed test flight, conducted a spacewalk Thursday.