The fallen NASA administrator nominee was clearly not a fan of the agency's plan to return astronauts to the Moon.

Space science experts told ABC News SpaceX has been essential to NASA’s missions and the breakdown of a relationship would leave a hole that would be hard to fill.

The White House made the unusual move of reaching out Gen. Dan Caine, chairman of the Joint Chiefs of Staff, for advice on ...

In a revealing interview published by the All-In Podcast on Wednesday, the private astronaut nominated to lead NASA, Jared ...

SpaceX's dominance in space operations leaves NASA and the Defense Department with limited alternatives for critical missions ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

The Space Shuttle Columbia accident remains one of the most tragic and significant events in the history of space exploration ...

Elon Musk said Thursday his aerospace company SpaceX will ground Dragon, the spacecraft NASA uses to service the ...

While one is preparing for another launch, two former NASA astronauts were inducted into the U.S. Astronaut Hall of Fame.

Veteran NASA astronauts Bernard Harris and Peggy Whitson were inducted today into the prestigious U.S. Astronaut Hall of Fame.

Retired Lt. Gen. Steven Kwast, who one official calls "a maverick," is reportedly on the short list of candidates to lead the ...