SpaceX's rockets ferry US astronauts to the International Space Station. Its Starlink satellite constellation blankets the ...

Elon Musk’s brief threat to cut off NASA’s access to SpaceX’s Dragon spacecraft exposed how heavily the US space agency and ...

Elon Musk threatens to retire SpaceX Dragon amid Trump spat, risking NASA missions and recently returning Sunita Williams' ...

Once a key member of President Donald Trump's inner circle, Elon Musk's relationship with the president has deteriorated into ...

Elon Musk and Donald Trump ’s spectacular fallout could have catastrophic consequences for the future of space travel.

Mars mission would pursue scientific objectives like determining whether Mars ever hosted life and charting the evolution of ...

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

Musk’s threat to dismantle Dragon amid a feud with Trump raises alarms over NASA’s future and U.S. space security.

Trump and Musk, who until recently were close allies, locked horns this week when the Tesla Inc. (TSLA) and SpaceX chief slammed the GOP's budget megabill, sparking a dramatic public blowup. Tesla ...

If all goes as planned in August, a startup called Starcloud from Redmond, Wash., will load a rocket bound for space with a ...

The billionaire’s feud with the president over the nation’s debt is jeopardizing lucrative deals for SpaceX and other Musk ...