A 2023 biography of the world’s richest person offers clues about how he’ll approach his new government-downsizing mission.

Elon Musk said a third person has received an implant from his brain-computer interface company Neuralink, one of many groups ...

The comments highlighted rifts within the U.S. right wing and between two men who have been influential advisers to President ...

Mr. Musk has fallen out with prominent right-wing Americans who say they are worried that their agenda may be sidelined in ...