Zoo officials said the elephant, named Ruth, lost her footing after aggressive behavior from a fellow African elephant.

The long-running steam locomotives, a visitor favorite, took their final lap last year. Here's how to be a part of Engine No.

Paul Donn, a 36-year-old silverback gorilla, has joined the troop at the San Diego Zoo Safari Park after being born there and ...

Climate change is forcing mountain gorillas to drink more water as rising temperatures ...