The sightings highlight the importance of the San Rafael wildlife corridor, which faces threats from a proposed border wall ...

After multiple jaguar sightings this summer near the U.S.-Mexico border, concern has grown over the issue of wildlife ...

A trail camera captured a new sighting of a jaguar, one of Arizona's most elusive creatures. Here's everything to know about ...

Mexican authorities deployed an elite unit to counter criminal organizations operating across the Arizona-Sonora border ...

Arizona county leaders clash over border policy, citing safety, enforcement, and federal cooperation concerns.

A border wall "modifies the whole ecosystem around that community," Dr. Ganesh Marín, a biologist who studies wildlife ...

The layoffs come as unaccompanied minors arriving at the U.S.-Mexico border have decreased and the government ended its ...

Gov. Katie Hobbs is seeking a nearly $760 million reimbursement from the Trump administration for border security costs ...

An Arizona family farm owner discusses immigration challenges in agriculture, labor shortages for meat cutters, and the ...