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.

The new images were captured by cameras maintained by the University of Arizona and a team of citizen scientists.

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 ...