Billionaire businessman Elon Musk giggled like a schoolgirl about “causing trouble” during an interview with Stephen Miller’s ...

Tesla CEO says the robot could change the world economy in a major way and even remove the need for many traditional jobs.

Musk and Trump officials exploded over the massive fine, putting a strained U.S.-E.U. relationship under even more pressure.

The South Africa-born billionaire once suffered the largest loss of a personal fortune in history, according to Guinness World Records. He has since recouped that money and more.