A newly documented jaguar in southern Arizona suggests that this powerful cat is slowly reclaiming parts of its historic U.S. range. At the same time, the sighting highlights how fragile that return ...

A new jaguar was spotted in southern Arizona last month — the fifth documented in the area since 2011 — showcasing the endangered species' resiliency in the face of climate change and habitat ...

This young male jaguar, El Bonito, was spotted near the border between Mexico and Arizona, suggesting that the felines could eventually migrate north. Credit: Ganesh Marin/University of Arizona TUCSON ...

The University of Arizona Wild Cat Research and Conservation Center announced that it had spotted its fifth jaguar in the southeast corner of Arizona over the last 15 years The big cat was seen via ...

The spots gave it away. Just like a human fingerprint, the rosette pattern on each jaguar is unique so researchers knew they had a new animal on their hands after reviewing images captured by a remote ...

TUCSON, Ariz.— Construction crews preparing to build new double border walls in southeastern Arizona detonated large explosions Wednesday on the edge of Coronado National Memorial, documented in video ...