SpaceX’s latest rocket launch could carry instruments designed to detect or reveal dark matter—an invisible force that makes ...

X, the social media platform owned by Trump adviser Elon Musk, is challenging the constitutionality of a Minnesota ban on ...

Musk’s departure from the Department of Government Efficiency comes amid layoffs, political backlash, and a push to ...

Free speech” was the battering ram that Elon Musk used to justify his pursuit of Twitter in 2022. He talked about the ...

Elon Musk told Tesla investors that he plans to scale back his time at the Department of Government Efficiency.

An expert on the federal work force estimates that the speed and chaos of Mr. Musk’s cuts to the bureaucracy will cost ...

Elon Musk said he would keep doing part-time work for the Trump administration beyond next month, raising more questions ...

The billionaire head of the U.S. DOGE Service clashed with Trump Cabinet officials well before he announced he would soon ...

Working on behalf of the American people has cost Musk a fortune; attacking him and his companies is not how he should be ...

A sobering quarterly report puts more prssure on Tesla’s chief executive to make good on his promises for fully autonomous ...

Musk’s management style has always been a lightning rod. His focus on speed and impatience allows him to advance technologies ...

Elon Musk aimed take a big bite out of federal spending. His cost-cutting task force has managed only a nibble as the billionaire takes a step back from his White House role.