International Boundary Monument 258 stands as a historic symbol at the border between the U.S. and Mexico, marking the birth of California's shape.

Those areas include the Roosevelt Reservation — a narrow strip of land along the southwest border in the states of Arizona, ...

The U.S. Army will take control of almost 110,000 acres of federal land along the U.S.-Mexico border to support Border Patrol ...

The Environmental Protection Agency (EPA) chief on Tuesday demanded that Mexico put an end to the unfettered flow of raw ...