The Justice Department continues to push for an expansive reading of the president’s authority to levy tariffs.

On the day before President Donald Trump's next set of tariff hikes is set to materialize, a federal appeals court will grapple with the big, unanswered question underpinning the president's ...

Appellate judges are weighing dueling interpretations of a 1977 emergency powers act to determine the legality of the Trump ...

A recent filing from the president’s lawyer presents the court with faulty economic calculations, dubious legal theories, and ...

The Trump administration has used IEEPA to impose sweeping tariffs, but the courts could end up striking that down.

President Donald Trump is declaring national emergencies at a rate far greater than his modern-day predecessors.

Trump has justified his most far-reaching assertions of tariff power by citing the 1977 International Emergency Economic Powers Act, which allows tariffs on all imports during an "unusual and ...

The U.S. Court of Appeals for the Federal Circuit hearing is considering a legal challenge to Trump's ability to impose ...

President Donald Trump signed Executive Order 14257 on April 2, a move that he called “Liberation Day.” Why? Because that ...

U.S. appeals court judges challenged the legality of President Trump's sweeping tariffs, questioning if emergency powers under IEEPA support such actions.

The question is whether a Republican judiciary will read the entire law governing Trump’s power over DC, or just the part ...