Researchers have confirmed a new jaguar in southern Arizona, marking what they say is the fifth big cat over the last 15 years to be spotted in there after crossing the U.S.-Mexico border ...

Explosions rocked the edge of Coronado National Memorial in southeastern Arizona on Wednesday as construction crews prepared ...

FLAGSTAFF, Ariz. (AP) — Scientists have long suspected that Mexican long-nosed bats migrate through southeastern Arizona, but without capturing and measuring the night-flying creatures, proof has been ...

The Desert Botanical Garden in Arizona is preserving endangered plant species through a seed bank and rehabilitating poached ...

In a major wildlife discovery, a jaguar previously unknown to scientists spotted on cameras three times in November in ...

For over 25 years, the endangered Mount Graham red squirrel has been quietly battling population decline atop one of Arizona’s tallest mountains. Endemic to the Pinaleño Mountains in Southern Arizona, ...

TUCSON, Ariz. (KVOA) - The Center for Biological Diversity located in Tucson Arizona has documented illegal cattle damage in Arizona’s Agua Fria National Monument for the fifth consecutive year, ...

The Desert Botanical Garden is running a seed bank program to save endangered Arizona desert plants like orchids and cacti.

Wildlife officials “mistakenly” killed a pregnant Mexican gray wolf in Arizona as it was working to remove a wolf that may have been harming livestock. The environmental group Sierra Club said ...

PHOENIX — The habitat of two endangered species is being destroyed by unauthorized cattle grazing at the Agua Fria National Monument in Arizona, according to environmental advocates. The Center for ...

PHOENIX— Federal land managers have allowed years of extensive damage from livestock grazing to streamside habitats vital for endangered plants and animals in Arizona and New Mexico, according to a ...

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 ...