Any Lucia Lopez Belloza was at Logan to catch a flight to Texas when immigration authorities detained her as she was about to board the plane.

When I was diagnosed with leukemia, my first thought was that this couldn’t be happening to me, to my family.

Sixty former staffers describe an environment of suspicion and intimidation within the nation’s most powerful law enforcement agency.

The military service, which falls under the Department of Homeland Security, has drafted a new policy that classifies such items “potentially divisive.”

US universities’ athletic budgets are becoming another source of concern for investors who buy higher-education municipal debt, about five months after the approval of a settlement that allowed top sp...

The U.S. Border Patrol is monitoring millions of American drivers nationwide in a secretive program to identify and detain people whose travel patterns it deems suspicious.

The Senate’s overwhelming rejection in July of a plan to ban states from passing regulations on artificial intelligence — the vote was 99-1 — is now set to be brazenly ignored. The White House is pushing for the measure to be revived and added to the National Defense Authorization Act. If that fails, and it’s a longshot, the president stands ready to sign an executive order essentially forcing it through anyway.