The Phoenix Zoo recently released 1,000 tadpoles into the Tonto National Forest, part of a program to save the threatened Chiricahua leopard frog. The zoo collects eggs every year, and those eggs ...

The Phoenix Zoo said they are not only mourning the loss of Sierra, but they are also grieving the fact she never got to see ...

Animals at the Wildlife World Zoo in Arizona tested positive for bird flu, resulting in the deaths of a cheetah, a mountain lion, a swamphen, an Andean goose and a kookaburra.

Animals at the Wildlife World Zoo in Arizona tested positive for bird flu, resulting in the deaths of a cheetah, a mountain lion, a swamphen, an Andean goose and a kookaburra.

Noelle, a 12-year-old fennec fox at the Phoenix Zoo, died last week, officials said. Here's what happened to the cute animal.

Phoenix Zoo knows how to keep things cool! The zoo, located in Arizona's capital, recently treated its animals to an unconventional event: a "summer snow day." There was not a snowflake in sight ...

The Phoenix Zoo, with three government agencies, has sent 30,000 Chiricahua leopard frogs into wild habitat.

Zoos in Florida, Texas, California and Arizona are experts at dealing with heat. Animals are perhaps more readily equipped than humans to deal with extreme heat. But when the heat index climbs ...

Animals at the Wildlife World Zoo in Arizona tested positive for bird flu, resulting in the deaths of a cheetah, a mountain lion, a swamphen, an Andean goose and a kookaburra.

Animals at the Wildlife World Zoo in Arizona tested positive for bird flu, resulting in the deaths of a cheetah, a mountain lion, a swamphen, an Andean goose and a kookaburra.