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.

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

Seditious behavior punishable by death. That's how President Trump responded to former military members and intelligence officials who are now current Congress members after they put out this video.

President Donald Trump was blocked by a federal appeals court from using an 18th-century wartime law, the Alien Enemies Act, to deport Venezuelan migrants his administration says belong to the ...