A Pentagon-wide advisory that went out one week ago warned against using Signal, the messaging app, even for unclassified information.

The CIA Director and the Director of National Intelligence testified that they did not share classified information in a messaging group chat that discussed the U.S. bombing campaign in Yemen.

To date, 127 legal cases have been filed against the Trump administration's actions since President Trump took office. The cases challenge an enormous range of subjects.

Judge Boasberg's role overseeing a new case that challenges the deportation of alleged Venezuelan gang members to El Salvador has cast an even brighter light on the longtime judge.

A French politician suggested the two countries no longer share the values that inspired the gift more than a century ago. The White House sharply rejected his request, which he described as symbolic.

President Trump invoked the Alien Enemies Act of 1798 against Tren de Aragua members, provoking a legal fight. Here's what to know about the controversial law, which was last used during World War II.

Trump claims without evidence that Biden's Jan. 6 panel pardons are void because he allegedly used an autopen. Autopens have been popular with presidents for decades. Here's what to know about them.

At issue was whether planeloads of alleged members of the Tren de Aragua gang were deported despite the judge's order to turn the planes around.

The Trump administration has invoked a 227-year-old law, the Alien Enemies Act, to target Tren de Aragua, a gang with its roots in the prisons of Venezuela. Who are they and how wide is their reach?

An appeals court on Friday lifted a block on executive orders seeking to end government support for diversity, equity and inclusion programs, allowing the orders to be enforced as a lawsuit challenging them plays out.

With uncertainties around federal funding for higher education, some schools are cutting back. Experts say that could hurt not only students and faculty, but ultimately make the U.S. less competitive.

Companies can try to avoid or minimize tariffs by requesting exemptions or legally reclassifying their products. Here's a look at some of the strategies that have worked in the past.

The draft executive action, obtained by NPR, acknowledges that the department and its signature responsibilities were created by Congress and cannot legally be altered without congressional approval.

The Trumps and lawmakers from across the aisle have invited guests to Tuesday's joint address, representing some of the administration's top priorities. Here's a look at some of the names on the list.

European Commission President Ursula von der Leyen proposed an $840 billion plan to build up the bloc's defense, as President Trump pauses military aid to Ukraine.