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

A private space traveler and jet-fighter pilot, Jared Isaacman is preparing to run the U.S. space program after decades ...

NASA awarded a contract to Elon Musk's SpaceX to provide launch services for the agency's near-Earth object surveyor mission. The National Aeronautics and Space Administration on Friday said the ...

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

NASA had cut a deal that may stave off sweeping layoffs seen across other federal agencies, but still will see about 900 less ...

President Donald Trump has been cutting probationary employees as part of his effort to downsize the federal workforce.

Elon Musk is bickering with a European astronaut on the social media platform he owns, exchanging tense posts with offensive language. He’s claiming two NASA astronauts were left on the International ...

Elon Musk fumed at a International Space Station astronaut who called out his lies, then immediately called for the station's ...

The billionaire and presidential buddy is focused on Mars but ignores the many reasons why ditching the ISS too soon is a ...

The crew of NASA’s SpaceX Crew-10 mission was at Kennedy Space Center for a test that the space agency says is among the last ...

Elon Musk wants to colonize Mars. In fact, the billionaire says it could happen within four years. He also says we could be ...

NASA had cut a deal that may stave off sweeping layoffs seen across other federal agencies, but still will see about 900 ...