The world's richest person and most powerful person are fighting. The stakes are high if the feud continues to escalate.

Donald Trump and Elon Musk exchanged back-and-forth insults online after a disagreement over the president's spending bill.

Several of tech entrepreneur Elon Musk’s business associates have fallen out with him at some point, though not always permanently.

An intense public feud erupted on Thursday between President Donald Trump and his one-time ally, billionaire Elon Musk, with ...

Stephen Colbert, Jimmy Kimmel, Seth Meyers, Jimmy Kimmel and Michael Kosta took great delight at the president's very public ...