Trump and Musk want to run a giant experiment on the federal bureaucracy. Two big unknowns already loom over it.

Ron Baron, Baron Capital chairman and CEO, joins CNBC's 'Squawk Box' to discuss Tesla, market outlooks, and much more.

President-elect Donald Trump was greeted with a standing ovation from House Republicans at his first stop back in Washington ...

Donald Trump tapped the tech mogul to co-lead an effort to slash government spending, but questions abound over how such an ...

Donald Trump is pushing Senate Republicans to give him more power to fill offices without Senate approval via recess ...

After his 2016 election, Trump tapped Wall Street raider Carl Icahn as a "regulatory reform" adviser. He soon quit under a ...

Musk spent millions to help Trump get elected and was one of his most vocal supporters. But he could butt heads with Trump ...

Musk has long complained about federal agencies — particularly those that have investigated and fined his companies.

SpaceX is on a trajectory to remain the most dominant player in space launches for years to come as it makes strides with its heavy-duty Starship rocket program.

Iran successfully sought a meeting with Elon Musk, according to a U.S. official, one in a series of steps that appeared aimed at easing tensions with President-elect Donald Trump.

President Ronald Reagan created the efficiency-minded Grace Commission in 1982, promising that it would “drain the swamp.” ...

The tech billionaire, a top adviser to President-elect Donald J. Trump, was reported to have discussed ways to defuse ...