Trump has asked aides and advisers if they believe Musk’s recent behavior could be related to his alleged drug use.

The world’s most powerful man and its wealthiest began attacking each other in a spectacle that left Washington breathless.

Less than a week later, their potent political alliance met a dramatic end Thursday when the men attacked each other with ...

Once allies, Donald Trump and Elon Musk have now turned on each other in a public and escalating feud over legislation, ...