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

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

President Trump authorized the military to take control of federal land stretching across three states at the southern border ...

Donald Trump has authorized the US military to control a strip of land along the southern border ... The military will construct a border wall and deploy monitoring equipment.