One of the spiciest courtroom dramas involving two tech titans is underway. Elon Musk and Sam Altman have begun their trial, ...

Elon Musk took the stand at a high-stakes trial over the future of OpenAI, casting his lawsuit against the ChatGPT ​maker as ...

Trucking fleets are buying Tesla’s lower-cost, higher-range electric big rig — and boosting the state’s climate goals.

The Tesla and SpaceX CEO was immediately met by a swarm of photographers and television cameras trying to get a view after he ...

OAKLAND, California — Elon Musk is set to testify in court as soon as Tuesday in his legal showdown against Sam Altman.

Elon Musk arrived before opening statements began for a high-stakes trial against Sam Altman on Tuesday – but it wasn't in a ...

Trial is culmination of a years-long feud between Musk and Altman that has become increasingly vicious ...

Elon Musk, who split from OpenAI years after cofounding it as a nonprofit in 2015, said it was putting commercial interests ...

OpenAI has since restructured into a for-profit company, a move that Musk alleges is a breach of charitable trust relating to ...

Elon Musk, the Tesla CEO, world's richest man and OpenAI's cofounder, took the stand Tuesday in a high-stakes trial revolving ...

“Scam Altman and Greg Stockman stole a charity,” Mr. Musk posted at one point, using pointed nicknames for Mr. Altman and ...

Elon Musk on Tuesday testified that his lawsuit against OpenAI and its leaders goes well beyond one company and into the ...