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

The White House’s budget plan for NASA would be woefully inadequate for achieving near-term human voyages to Mars, experts ...

As insults have turned to threats, Trump has suggested he'd hit Musk where it could hurt most: His wallet. Musk's SpaceX has ...

As a result of a dramatic feud between Elon Musk and Donald Trump, nearly $22 billion of SpaceX's government contracts are at ...

President Donald Trump is threatening to cut Elon Musk’s government contracts as their fractured alliance rapidly escalated ...

Elon Musk’s threat to pull his Dragon spacecraft out of NASA programs would severely impact the International Space Station ...

Donald Trump spent part of Friday morning letting some news outlets know that he has no plans to talk to Elon Musk, even amid ...

The space agency relies on Elon Musk’s rockets for crucial missions to the International Space Station. Who will replace them ...

NASA scientists are in a state of anxious limbo after the Trump administration proposed a budget that would eliminate the ...

Why it matters: Musk's rift with President Trump exposes how reliant NASA has become on a single private sector partner to ...

Shares of Rocket Lab and Intuitive Machines are getting a lift Friday as the outlook for Elon Musk’s SpaceX comes into ...

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