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 ...

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

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

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

The Big Beautiful Bill includes funding for certain border-related expenses incurred after former President Joe Biden’s inauguration day.

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

The Border Patrol's Tucson sector, which covers most of Arizona's border with Mexico, has recorded about 37,000 migrant encounters during the first eight months of the 2025 fiscal year, Oct. 1 ...