Tesla Inc.’s core car-making business is facing a deteriorating outlook, providing a major test of Chief Executive Officer Elon Musk’s ability to lift the stock price with his vision of a self-driving future.

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?

AI founder Elon Musk provided an update on the company's second Memphis campus, including plans to start bringing the site online.

Joseph Thorndike examines the history of third parties and their role in effecting political change and considers whether Elon Musk’s new America Party could do the same.

The billionaire recently stirred up trouble for disregarding local regulations in his small neighborhood in West Lake Hills, Texas

Nvidia stock could get a boost from Elon Musk's xAI and Alphabet's Google as they race to build artificial intelligence.

Last week, billionaire Elon Musk revelaed his AI startup's "companions," an unlikely pair of characters, including a hypersexualized goth anime girl, dubbed Ani, and an extremely vulgar red panda, named Bad Rudi.

During a project called "Skippy," tutors recorded themselves making facial expressions. It would help "give Grok a face," one engineer said.