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

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

President Trump said on Thursday that Elon Musk was upset about the repeal of an electric vehicle tax credit — a claim Mr.

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.

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

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

Readers discuss the public feud between the president and his onetime ally. Also: China’s boom and America’s promise.

Elon Musk’s bitter falling-out with President Trump could be costly for Tesla. As long as he is persona non grata in the ...

The speed of the fallout was breathtaking, with President Trump celebrating Elon Musk during an Oval Office farewell just ...

The president could tighten federal oversight of the tech titan’s businesses, even if heavy reliance by the Pentagon and NASA ...

The clash between the president and Teslas C.E.O. wiped billions off the electric vehicle maker’s market capitalization.

The president warned of “serious consequences” if Mr. Musk chose to back candidates against Republicans who supported his domestic policy bill.