SpaceX is investing $2 billion in Elon Musk's AI startup, xAI. This move comes as part of a larger $5 billion equity round.

During xAI’s launch of Grok 4 on Wednesday night, Elon Musk said — while livestreaming the event on his social media platform, ...

In a series of posts on X (formerly Twitter), xAI, Musk’s AI company and now the owner of X, claimed the incident was caused ...