The Denver Zoo celebrated International Polar Bear Day with a special treat for its featured wildlife.
Researchers are taking a closer look at climate change and how it impacts polar bears.
The Denver Zoo, which has about 4,000 animals, reptiles and other exotic species, is closed because of the cold weather and snow.
If you have lived in Colorado for a while you probably remember the loveable polar bear cubs Klondike and Snow from the Denver Zoo.
After more than 17 years together, Denver’s favorite polar bears will be split up.