The area in many ways acts like one big city, with an estimated 125,000 to 150,000 students, workers, tourists and health ...

The US Department of Agriculture has suspended the transport of live cattle, horses and bison through ports of entry along ...

Shelters in several border cities in Mexico, including Nogales, Sonora, and Mexicali, have seen dramatic drops in migrants.

The Trump administration is challenging longstanding tenets on the right to flee oppression abroad and find a safe haven in ...

The Trump administration declared an immigration border emergency on Jan. 23 ... "returned to their places of origin," either Mexico or other countries in Central America and South America.