A.I. Hallucinations Are Getting Worse, Even as New Systems Become More Powerful

Robyn Denholm, who leads Tesla’s board, said on social media that board members were “highly confident” in Mr. Musk, the company’s chief executive.

Mr. Musk, one of President Trump’s main advisers, has not outlined a plan to reverse falling sales at the electric car company of which he […]

Libertarians have long looked at ocean living as the next frontier. Some wealthy men are testing the waters.