The International Emergency Economic Powers Act doesn't grant the president the power to regulate imports with tariffs.

The court's decision comes with potentially major political and economic consequences for Trump's flagship policy.

President Donald Trump takes his arguments to use the power to impose "reciprocal tariffs" on nearly every other nation all the way to the Supreme Court.

Trump said he considered personally attending the arguments in what he said is the most important case before the nation's ...

In its biggest case of the term, the Supreme Court will decide whether Trump can impose sweeping tariffs on nearly every ...

Treasury Secretary Scott Bessent on Monday said he will attend the Supreme Court’s oral arguments regarding President Trump’s ...

President Donald Trump has worked fast in his second term, wielding unilateral power to reassert American dominance in the ...

Kris Mayes, a Democrat, called the tariffs case one of the most important of the 30 she has filed against President Donald ...

The issue goes before the U.S. Supreme Court on Wednesday. The court will hear oral arguments on whether President Trump ...