Elon Musk seems tired and cranky. On Thursday, he took the stand for the third day in a four-week trial stemming from his lawsuit alleging that OpenAI abandoned its mission and should be blocked from ...

Elon Musk said he was a “fool” to back OpenAI when it was a nonprofit and clashed with an attorney for Sam Altman, as he testified in a court battle that has pitted titans of the AI industry against e...

"I came up with the idea, the name, recruited the key people, taught them everything I know, provided all of the initial funding," Musk said.