The lawsuit seeks to hold U.S. firearms manufacturers accountable for gun violence in Mexico, saying the companies knowingly ...

Fort Huachuca, known for military intelligence and drone tech, has been identified by defense officials as a likely site to ...

Troops in Nogales, Mexico, have found 150 fentanyl pills, according to official statistics. Meanwhile, U.S. officials across ...

Arizona Sen. Mark Kelly said he doubts the gold card program, which would fast-track rich foreigners to live in the U.S., ...

The Arizona-Mexico Commission is working to preserve its strong relationship with its counterparts across the border in Sonora.

Gov. Katie Hobbs' order expands border security operations in four border counties, Yuma, Pima, Santa Cruz and Cochise.

A rancher living on the border with Mexico says life is less fearful now that hundreds of migrants aren't crossing his property each day. The latest installment in series on Trump's America.

Travelers to Rocky Point face long waits at Lukeville Port as Mexico increases border security under the "Operativo Frontera Norte" mission.

The other side of the border has been beefed up too. The US Department of Defence has ordered 1,500 additional active-duty ...

Arizona is similarly at risk for measles because the state has several pockets of extremely low vaccination rates, including ...