Musk's net worth fell below $400 billion for the first time this year on Monday, according to Bloomberg Billionaires Index.

Elon Musk made a bid to buy leading artificial intelligence company OpenAI. CEO Sam Altman says OpenAI isn’t for sale and said of Musk: “probably his whole life is from a position of insecurity.” The ...

The billionaire is leading a group of investors in the unsolicited offer, which complicates the start-up’s plan to raise more ...

It’s not draconian or radical,” the billionaire said in a lengthy question-and-answer session alongside President Trump that ...

Elon Musk is among a slew of billionaire venture capitalists in tech aiming to "defund" Wikipedia because they believe it is "an extension of legacy media propaganda." Musk was a fan of the open ...

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

Kimbal Musk last week sold 75,000 Tesla shares, or almost 5% of his stake in his brother's electric vehicle company, filings ...

Elon Musk, who co-founded OpenAI in 2015, has now offered to buy the nonprofit controlling the AI tech giant for nearly $100 ...

Elon Musk and Jeff Bezos may no longer be enemies. In fact, a friendship may be budding between the two billionaires, judging by tweets they recently posted on X. Both tech founders own rocket ...

Getting humans to Mars has long been an obsession for SpaceX CEO Elon Musk. On Monday, that project got a full endorsement from the newly sworn-in president. During his inaugural address ...

and X owner Elon Musk, who endorsed Trump in July after his assassination attempt and has been by his side often since. Musk, the most outspoken tech billionaire, donated around $250 million to ...