A shoebox. A non-descript white plastic bag. Those are the conveyances of last resort for people on 1,000-mile-long journeys ...

Mexico is launching a new border security unit in the state of Sonora, which officials say is the first of its kind in the ...

A border wall "modifies the whole ecosystem around that community," Dr. Ganesh Marín, a biologist who studies wildlife ...

The military has designated a new National Defense Area in Yuma, Arizona, the fourth along the U.S.-Mexico border.