Elon Musk may be the richest person on the planet—and on track to become a trillionaire—but a viral social post indicates his ...

Elon Musk, the founder of SpaceX and Tesla, is now the first person in history whose net worth has exceeded $800 billion, according to Forbes magazine. The rise in his fortune came after his rocket ...

X gave $1 million to a user who had previously shared racist posts, including one supporting Hitler.

Billionaire folds rocket maker into a lossmaking AI start-up, betting scale and control can beat rivals to blockbuster IPO ...

SpaceX’s acquisition of his AI and social networking startup, xAI. Forbes estimates the deal, which values the new company at ...

My estimate is that within two to three years, the lowest cost way to generate AI compute will be in space,” Musk wrote in a post on SpaceX’s website on Monday.

An eccentric genius arrives in the United States from a land far away and becomes both extremely wealthy and hugely divisive.

Elon Musk said on Feb. 2 that SpaceX has acquired his artificial-intelligence startup xAI, combining the rocket-and-satellite ...