The startup is leaning on Musk’s business empire to play catch-up in the AI race ...

Built using huge amounts of computing power at a Tennessee data center, Grok is Musk's attempt to outdo rivals such as OpenAI ...

Much of Elon Musk’s business empire is in disarray, but his rocket-and-satellite company is riding high.

SpaceX has agreed to invest $2 billion in Elon Musk's AI startup xAI, marking one of its largest external investments and ...