The House Natural Resources Committee advanced a bill introduced by Arizona Rep. Paul Gosar, who says the wolves prey on cattle.

Efforts to save a tiny native desert owl hang in the balance under the Trump administration's pending changes to the ...

Taylor's adventures renewed the debate over whether Mexican gray wolves should be confined to the recovery area.

The rare Sonoyta pupfish were introduced into a desert river habitat inside the huge Biosphere 2 structure near Tucson. The dish are native to Quitobaquito Springs near the Arizona-Mexico border, but ...

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 ...

Rapid development in the Valley is displacing burrowing owls from their native agricultural habitats, leading to a decline in the Arizona population. The nonprofit Wild at Heart Rescue relocates ...

A bill to remove endangered species protections from the Mexican gray wolf passed a congressional committee Thursday. The bill received a favorable recommendation from the U.S. House Committee on ...

(AP) — 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 ...