The billionaire’s decision to merge his A.I. start-up with his rocket company will test investors’ interest in giant combinations of unalike businesses.

SpaceX's Starship, which launches in South Texas, will have a vital role to play in billionaire Elon Musk's plans to now establish a city on the moon.

Love won't be the only thing in the air on Valentine's Day in California – a SpaceX Falcon 9 rocket may be as well. Here's how to watch a livestream.

Elon Musk wants to turn one of the planet’s biggest problems into literal rocket fuel. His pitch is deceptively simple: capture carbon dioxide from the air, combine it with hydrogen, and feed it into the same engines that could one day carry settlers to Mars.

SpaceX's Starship, the world's largest rocket, has inspired several Chinese companies to develop similar spacecraft designs.

SpaceX’s acquisition of xAI creates business worth $1.25tn but whether premise behind deal will work is questioned

The rocket company ran a Super Bowl ad for Starlink, the first time any of Elon Musk's companies have run an ad at the showpiece event.

The space race between U.S. billionaires is heating up, with Elon Musk's SpaceX planning to build a lunar base and Jeff Bezos pushing Blue Origin's ambitions as both companies aim to return humans to the moon ahead of a planned mission by China in 2030.