The Phoenix Zoo lost one of its longtime residents this week. Sierra, a mountain lion, was humanely euthanized due to ...

The Phoenix Zoo will break ground this week on a new veterinary medical center. The 27,000-square-foot building will provide ...

PHOENIX (AZFamily) — The Phoenix Zoo had to make a tough announcement this week. Zoo staff made the difficult choice to euthanize one of the zoo’s two female mountain lions, Sierra, earlier in the ...

The Phoenix Zoo is a great place to enjoy nature without your little ones dying of boredom. There are four trails that wind through the numerous habitats populated by more than 3,000 animals ...