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

President Donald Trump has thrust the military into a central role in deterring illegal crossings into the U.S. at its ...

Annexed militarized zones will soon cover nearly one-third of the U.S. border with Mexico, empowering soldiers to arrest ...

Trump said he would close the entire border or "large" sections of it. President Donald Trump on Friday again threatened to completely close the southern border or "large" sections of it if Mexico ...

The discovery comes amid high tensions between top U.S. and Mexico officials. TUCSON, Ariz. -- Border Patrol agents in southern Arizona have uncovered another illegal tunnel running under the U.S ...

The U.S. has closed its southern border again to livestock imports, saying that a flesh-eating parasite has moved further north in Mexico than previously reported.