Zoo Knoxville is mourning the loss of Dolly, a 56-year-old Southern white rhinoceros and the the oldest rhinoceros in the ...

The Cheyenne Mountain Zoo said its Asiatic black bear Beezler turned 32 years old Monday. Beezler, also called Beez, is now the oldest living Asiatic black bear in the entire United States.

Two giant pandas made their highly anticipated debut to the public at the Smithsonian National Zoo in D.C. on Friday morning.

As the National Zoo unveils its latest giant pandas to the public, adoring fans are embracing the newcomers from China.