The administration is also transferring public land to the Defense Department.

How often do unauthorized drones cross from Mexico into the United States? Could an airport drone incident happen in Arizona?

From explosive-laden strikes to high-speed surveillance, Mexican cartels are adopting advanced drone technology — even ...

Department of Homeland Security Secretary Kristi Noem is in southern Arizona on Wednesday where she will visit the U.S.-Mexico border.

Authorities say a man who was involved in a human smuggling operation was shot Tuesday in an exchange of gunfire with the U.S ...

Initially touted as a "major announcement," Noem instead pointed to a 95% drop in border encounters over the past year.

Homeland Security Secretary Kristi Noem visited the Arizona-Mexico border wall Wednesday morning, hosting a press conference ...

PHOENIX - Arizona has boosted the number of National Guard troops it will send to the Mexico border to 338 from 225. The National Guard members are heading to the Arizona-Mexico border Monday. Ducey ...

While patrolling an area near the Douglas Port of Entry on Feb. 10, agents saw several people quickly retreating from the fence as the agents approached, officials said. When agents arrived, they ...