But Mr. Trump’s warnings to his former ally are backed by several ways the White House could punish the world’s richest man.

President Trump threatened to cut off Elon Musk’s federal contracts, showing that he looks at the government as his own means ...

For all the insults that Mr. Musk and Mr. Trump traded on Thursday, don’t be surprised if they make up again days from now.

President Trump’s decision to pull a close associate of Elon Musk’s out of the running to lead NASA helped doom an ...

The extremity of this rhetoric, paired with the obvious difficulty of achieving trillions of dollars of savings through ...

In a phone interview with the NBC journalist Kristen Welker, Mr. Trump said he had no plans to speak with Mr. Musk, calling ...

Since the election, Elon Musk had largely appeared inseparable from the president, helping to reshape government and root out ...

With members embedded in multiple agencies, the team’s approach to transforming government is becoming “institutionalized,” ...

The public spat between the billionaire Elon Musk and President Trump has captivated MAGA-friendly podcasters, including Joe ...

The two seem to have paused their online war of words. But the president may sell his Tesla and has continued to criticize ...

The relationship between Mr. Trump and tech industry power brokers was built on money and the promise of deregulation, with ...

After 130 days spent fighting the federal government, Elon Musk turned up with a black eye at the White House on Friday for ...