The rulings against the levies in two federal courts – the U.S. Court of International Trade and the U.S. District Court in Washington, D.C. -- centered on Trump's unprecedented invocation of the International Economic Emergency Powers Act as a legal justification for tariffs.

The U.S. Court blocks Trump-era tariffs, sparking market and trade uncertainty. Click here for my look at the implications for the economy and the markets.

The Supreme Court let Trump end protections for 500,000 migrants, putting nearly 1 million at risk of deportation.

I reported that a three-judge panel of the U.S. Court of International Trade had issued a ruling that would put a pause on President Donald Trump's tariffs announced on "Liberation Day," as well as those levied on Canada,

The U.S. Court of Appeals temporarily stays a ruling against President Donald Trump's tariffs, questioning the extent of presidential power under the IEEPA until June.

The Trump administration has already appealed a court ruling that says the steepest reciprocal tariffs were illegal

NY Attorney General Letitia James sues the Trump administration to protect NSF's educational and research programs, especially those aimed at increasing diversity in STEM fields.

The larger legal battle between Harvard and the Trump administration could raise questions of retaliation versus executive authority.

The Trump administration is using the claim that immigrants have “invaded” the country to justify possibly suspending habeas corpus, part of the constitutional right to due process. A faction of the far right has been building this case for years.

Harvard University has held a graduation ceremony amid its fight with the Trump administration over federal funding and international enrollment.

Donald Trump has suffered plenty of legal setbacks in his second term, but none quite like this one. The US Court of International Trade’s ruling this week that the president misapplied emergency economic powers legislation to impose his “liberation day” tariffs knocks out the main underpinning of his flagship policy.