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

President Trump has deployed the U.S. military to federal lands along the southern border to block migrant crossings and ...

Plans for nearly 25 miles of new wall at the southern border are causing a stir, with wildlife advocates leading the ...

Officials said the decision will fast-track U.S. Customs and Border Protection’s construction of about 2 1/2 miles (4 kilometers) of the wall about 70 miles (113 kilometers) southeast of San ...

Spared in the first Trump administration, Arizona's wildlife-rich San Rafael Valley is now targeted for border wall construction.