House Republicans are carving out $68.8 billion for President Donald Trump’s border wall and to hire more agents in the field ...

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

There are animals trying to cross as if their life depended on it,” researcher Erick Meza told the Society of Environmental Journalists’ conference.

At the heart of immigration, New Mexico residents confront the human toll and policy failures shaping life along the ...

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

Longtime residents often crossed from one side of the border to the other without a second thought. That day, however, would ...

Two Marines deployed to assist in the Trump administration’s southern border crackdown were killed in a vehicle ...

One worker near the U.S.-Mexico border has noticed differences in how it is handled by the federal government.

While wall-related rescues and injuries appear to be declining in San Diego County compared to last year, they have not ...

To the east: a border wall stretching for 70 miles from the foothills almost to New Mexico blocks the path of these rarest of American mammals, especially at what might otherwise be prime cat ...