Willum and Brumby, the first koalas ever to live at the zoo, are leaving at the end of October. They were welcomed last year ...

Habitat loss, disease, and climate change are driving koalas toward extinction. Learn what’s threatening them and how to help ...

The first vaccine to protect endangered koalas from chlamydia has officially been approved in Australia. The vaccine was ...

Goldfish stir up lake bottoms, releasing phosphorus that fuels algae blooms and clouds the water. But now, they're on the menu for bears, otters and sea lions at the Zoo.

The world’s first vaccine to protect endangered koalas from chlamydia has been officially approved in Australia.

At first glance, this may be perplexing, as many animals get snoozy when the sun goes down. Nocturnal animals, however, are ...

Brookfield Zoo Chicago has a new polar bear. Amelia Gray made her public debut Wednesday at the zoo in Brookfield, Illinois.

Thank you to the premier and the ministers who finally decided this Great Koala Park is indeed a necessity for nature, and the millions of visitors to come.