By Eric Schmitt Gen. Dan Caine, the new chairman of the Joint Chiefs of Staff, made an unannounced visit to the southwestern border over the weekend for a firsthand look at the military’s ...

The first Trump administration built long segments of steel wall on Arizona's border. Conservationists fear wildlife will ...

Gen. Dan Caine, the new chair of the Joint Chiefs of Staff, made an unannounced visit to the southwestern border over the weekend for a firsthand look at the military’s growing role in helping ...

A 60-foot-wide zone of New Mexico land that runs along the U.S. border with Mexico has been deemed part of Fort Huachuca, Ariz., to allow troops to begin arresting people for trespassing on ...

A silent crisis slithers through the sunbaked deserts and rugged mountains of the American Southwest—a crisis woven from ...

Without building any new wall, the administration’s border tactics have slowed the flow of migrants across the Southwestern border, where Border Patrol agents have reported fewer than 10,000 ...

Cerro el Fresnal (top center), a mountain on the border, was dynamited for wall construction and then abandoned. Now, he and other defenders of the Southwest’s wildlands are girding for a new ...