NASA astronaut Scott Kelly came back to Earth after spending almost an entire year at the International Space Station, ...

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

"Hey @ElonMusk, when you finally get the nerve to climb into a rocket ship, come talk to the three of us," Captain Mark Kelly ...

Elon Musk claimed astronauts were left on the International Space Station for political reasons, sparking a disagreement with Sen. Mark Kelly and his twin brother, Scott Kelly, both retired ...

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