Billionaire Elon Musk appears to have overstepped his executive branch authority with his Department of Government Efficiency, a federal judge said Tuesday as he indefinitely blocked the dismantling of USAID.

Elon Musk's attempt to dismantle the U.S. Agency for International Development likely violated the United States Constitution, a federal judge ruled on Tuesday.

The federal judge who ruled against Donald Trump’s deportation plans and is now facing White House calls for his impeachment is no stranger to politically fraught cases — including ones involving the president.

A federal judge is giving the Justice Department until Wednesday at noon to provide him, under seal, with more information about deportations the Trump administration carried out pursuant to President Donald Trump’s use of a sweeping wartime authority.

Judge James E. Boasberg barred the administration from using a 1798 law to deport migrants. Does a constitutional crisis loom between Trump and the courts?