Arizona county leaders clash over border policy, citing safety, enforcement, and federal cooperation concerns.

The farmworker who suffered fatal injuries while fleeing an immigration raid in Ventura County was buried in his Mexican ...

U.S. troops are sharing command stations and vehicles with civilian immigration authorities at the southern U.S. border under ...

The deadly parasitic New World screwworm has been spotted less than 400 miles from the Southwest border and is threatening ...

Inside an armored vehicle, an Army scout uses a joystick to direct a long-range optical scope toward a man perched atop the U ...

More than a dozen heavily armed Mexican soldiers accidentally crossed over the US border into New Mexico while searching for ...

As climate change drives rising temperatures and changes in rainfall, Mexico and the US are in the middle of a conflict over water, putting an additional strain on their relationship.

CIUDAD JUÁREZ, Mexico (AP) — As soon as the sun glints over miles of border fence dividing the United States and Mexico, the engines of cargo trucks packed with auto and computer parts roar to life ...

Mexican National Guard troops once roamed the Mexican border town, which sits across from Del Rio, Texas, looking to detain migrants and deport them south to the Guatemala-Mexico border.

We reach about 40,000 migrants and Mexicans a month. One lesson I’ve learned doing this work: The United States’ southern border isn’t just shared with Mexico — it’s shared with the world.

Mexican National Guard troops once roamed the Mexican border town, which sits across from Del Rio, Texas, looking to detain migrants and deport them south to the Guatemala-Mexico border.