U.S.-Mexico border in El Paso. Two weeks before that, a tunnel was uncovered near Arizona, the third such tunnel found in the ...

Days before President-elect Donald Trump is sworn into office for a second term, a conservation organization says a ...

Added length to the southern Arizona border wall may lead to the extinction of a rare desert fish, the Center for Biological Diversity said Wednesday.

Trump is declaring a national border emergency and taking other steps to curb immigration. Here's what that means.

Humanitarian volunteers encountered the body of a 46-year-old woman, who had recently died of unknown causes, on Monday ...

Steve Bannon’s trial on charges that he duped donors who gave money to build a wall along the U.S. southern border will start ...

An open border over the past four years has threatened Border Patrol agents and American communities alike as criminals took ...

U.S. officials say the Pentagon will begin deploying as many as 1,500 active duty troops to help secure the southern border ...

Trump promises to sign executive actions to address immigration and border security. Some will likely spark legal battles.