U.S. Senator Mark Kelly (D-AZ) is a retired NASA astronaut who spent 54 days in space. He’s also a retired U.S. Navy Captain, ...

Senator Mark Kelly, an Arizona Democrat and former astronaut, visited Ukraine over the weekend and said the United States ...

University of Colorado Boulder scientists are participating in five lander missions to the moon in the next few years to ...

Humans who spend a long time in space, like the two American astronauts expected to return to Earth later this month, can ...

Democratic Senator Mark Kelly shot back at the tech billionaire, accusing him of opposing the defense of "freedom." ...

Two NASA officials have weighed in on the public dispute over when and how to bring home Butch Wilmore and Suni Williams, who ...

An eight-day trip into space turned into more than eight months for Suni Williams and Butch Wilmore.

NASA's crewed Artemis II mission will have more than astronauts on board. It will also have a small zero gravity indicator ...

Donald Trump stated that the two stranded astronauts may fall in love despite both of them being married to other people.

Suni Williams and Butch Wilmore — who have been aboard the International Space Station since last June — are due to undock ...

With the astronauts who crewed the Boeing Starliner due home in the days ahead, here's a recap of their time at the ...

NASA is seeking submissions for a new zero gravity indicator (ZGI) that will accompany the Artemis II astronauts on their ...