Elon Musk took the stand for the second day Wednesday in the landmark trial that pits the world’s richest person against Sam Altman, a fellow OpenAI co-founder he accuses of betraying promises to keep...

Elon Musk, of Tesla, SpaceX and DOGE fame, said in court on Wednesday he was "a fool" for putting money into the artificial intelligence company OpenAI, which started off as a non-profit but later cre...

Musk began his second day of testimony by repeating the accusation that Altman “stole a charity” and would endanger humanity with AI multiple times.