Altman and Musk were OpenAI’s founding co-chairs in 2015, but their relationship has devolved into name-calling and lawsuits.

The billionaire and his Silicon Valley associates landed in the capital and immediately moved to cut the size of the federal ...

The Microsoft co-founder and philanthropist is taking a break from the future to examine his past — and mulling where the ...

The world's richest man, now firmly embedded in the Trump administration, has lost over $11 billion since the start of the ...

The U.S. Securities and Exchange Commission has sued billionaire Elon Musk, saying he failed to disclose his ownership of Twitter stock in a timely manner in early 2022, before buying the social ...

Burning embers swirl as crews work to contain the Hughes Fire in Castaic, Calif., on Wednesday. (Gina Ferazzi/Los Angeles Times via Getty Images) ...