Arizona officials and wildlife experts are investigating an extraordinary development: jaguars may be quietly returning to the region after decades of absence. Recent sightings in remote areas ...

Two separate cases of zoonotic diseases, hantavirus and rabies, were confirmed at Grand Canyon National Park. A park employee ...

In Arizona, foxes and skunks were also a common source of rabies infections, according to NPS. During outbreaks, they can infect other mammals, like cows, horses or household pets.