Elon Musk says Tesla could hit a $20 trillion valuation with “extreme execution.” But with earnings slipping and Bitcoin holdings limited, is that even realistic? Here's the math behind the moonshot.

Elon Musk announced Thursday that Vine, the once-popular short-form video app, will return in a new format powered by artificial intelligence. The announcement, made in a brief post on X, offered few detailed but confirmed the project is in development. "We're bringing back Vine, but in AI form," Musk wrote.

SpaceX boss Elon Musk has promised to lay out his company’s plans for the mighty Starship rocket in an upcoming event. In a post on X on Thursday night, he said the presentation will take place shortly before the rocket’s 10th flight test, which is expected to take place next in the first half of next month.

Elon Musk fought court cases on opposite coasts Monday, raising a question about the billionaire that could either speed his plan to put self-driving Teslas on U.S. roads or throw up a major roadblock: Can this wildly successful man who tends to exaggerate really be trusted?

The Tesla CEO said the company expects to expand their autonomous driver service to include customer-owned cars.

Nelson downgraded the company’s stock to a neutral rating in April. But even some of the Tesla bulls on Wall Street are saying that the time for Musk to take action is running out.

Elon Musk's Boring Company has built tunnels in Las Vegas and California and plans to announce a new tunnel project from downtown Nashville to BNA.

Elon Musk announced plans this week to revive Vine, but in "AI form." Here's what we know so far and what people are saying.