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 company is developing a larger vehicle, named Helios, that could meaningfully improve the ability of SpaceX's Falcon 9 ...

Elon Musk is threatening to decommission a capsule used to take astronauts and supplies to the International Space Station ...

While the Starliner's first flight didn't exactly go to plan, both NASA and Boeing still hope the spacecraft can one day fly ...

The SpaceX Crew Dragon capsule that will fly the Ax-4 astronaut mission has arrived at its pad ahead of a planned June 10 ...

Elon Musk just threw a live grenade into the middle of his ongoing beef with former buddy Donald Trump. On Thursday, he ...

On the 1-year anniversary of the Starliner's doomed launch, revisit the biggest moments of a spaceflight mission that ...

The Axiom Space Ax-4 mission is set to liftoff this month in a new SpaceX Dragon spacecraft. Here's what we know.