Scott Kelly, a former astronaut, discussed the return of NASA astronauts from the International Space Station on Fox News. He ...

Elon Musk called Democratic Sen. Mark Kelly a "traitor" in a post on X after Kelly posted that he had visited Ukraine over ...

"It's not 'America First' to pull the rug out from under an ally and leave their people to die," Sen. Mark Kelly said after his visit to Ukraine.

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

Scott Kelly and Mark Kelly are American astronauts and identical twin brothers. They participated in NASA's Twins Study, ...

Mark Kelly and his twin brother, Scott Kelly, both retired astronauts. The dispute stemmed from comments made by former President Donald Trump, who blamed the Biden administration for delaying the ...

Sen. Mark Kelly (D-Ariz.) and his brother, Scott Kelly, both retired astronauts, on Friday called out tech billionaire Elon Musk over his attacks on an astronaut on his social platform X.

Kelly added more comments on X Monday about the U.S.’ change in policy after saying he made the trip with his twin brother, Scott, who is, like Mark Kelly, also a former astronaut. He called ...

Mark Kelly a "traitor" in a post on X after ... calling him "an idiot," Kelly and his brother Scott Kelly, also an astronaut, pushed back. "Hey @ElonMusk, when you finally get the nerve to climb ...