Elon Musk and Sam Altman appeared in a federal courtroom together for the first time on Tuesday as they fight over OpenAI’s decade-long evolution and what it means for the company’s future. The trial ...

Elon Musk spent the better part of three days on the stand, accusing OpenAI and its executives of deceiving him into donating money to help found what is now one of the world’s biggest AI companies.

Elon Musk, seemingly keen to repair some of his gamer cred after he admitted to account boosting, streamed himself playing Path of Exile 2 during a flight as a part of an “airborne continuity test” of ...