OAKLAND, California — The third day of Elon Musk’s testimony in his high-stakes trial against OpenAI began with a bout of ...

Elon Musk spent the better part of three days on the stand, accusing OpenAI and its executives of deceiving him into donating ...

Messages presented at trial reveal how Zilis, the mother of four of Musk’s children, acted as an intermediary between him and ...

Elon Musk faced another day of cross-examination. Jared Birchall, Musk's wealth manager, was the next witness called in the ...

Sam Altman and Elon Musk are facing off in a high-stakes trial that could alter the future of OpenAI and its most well-known ...

Elon Musk seems tired and cranky. On Thursday, he took the stand for the third day in a four-week trial stemming from his ...

OpenAI co-founders Elon Musk and Sam Altman have shown up for Tuesday’s opening statements in a high-stakes trial revolving ...

Technology tycoons Elon Musk and Sam Altman are poised to face off in a high-stakes trial revolving around the alleged ...

The case crystallises a wider public anxiety: an incredibly powerful technology is being built and controlled by a tiny ...

The Tesla CEO faced more combative questions by Sam Altman’s and Microsoft’s attorneys on Thursday, during the ...

OpenAI CEO Sam Altman was spotted at a California courthouse, where some potential jurors shared unfavorable views about AI — ...

Elon Musk and Sam Altman face off in a $150 billion federal trial over whether OpenAI betrayed its nonprofit founding mission ...