Musk's Department of Government Efficiency has laid off thousands of federal workers and shuttered foreign aid programs.

Bill Gates just made the stunning announcement that he plans to give away about 99 percent of his wealth by 2045. He explained his decision by saying he does not want to die rich, and that in 2045, he’ll be 90.

Tesla CEO Elon Musk has long captured attention with his big promises, from the Hyperloop high-speed transportation system Musk claimed would revolutionize the way we travel to a recent comment about how Tesla owners can one day make money with their autonomously driven cars,