Three of the four acts expired shortly after they were signed into law in the late 1700s. One remains active-and it's been at the center of constitutional debates ever since.

Stengel is an MSNBC analyst and the former Editor of TIME. The U.S. Supreme Court is shown on March 17, 2025 in Washington, D.C. Stengel is an MSNBC analyst and the former Editor of TIME. President ...

Donald Trump is expected to invoke a rarely-used Alien Enemies Act of 1798 in an effort to ramp up deportations.

The Trump administration cannot legally restart deportations of Venezuelan migrants under the Alien Enemies Act of 1798, the Supreme Court ruled Friday. The court had already temporarily stopped the ...

A federal appeals court ruled the Alien Enemies Act of 1798 can’t be used to deport members of Tren de Aragua, which has been a target of the Trump administration. The act was established to give ...

President Donald Trump claims that the Alien Enemies Act of 1798 grants him the power to deport certain Venezuelan-born aliens without due process, based on the mere allegation of membership in a ...

President Donald Trump loves the Alien Enemies Act of 1798. At a campaign rally in Arizona in 2024, Trump said that when he was elected president he would use the act to target undocumented criminal ...