Siku, a polar bear at Lincoln Park Zoo, developed allergies to various substances including human hair dander (Credit: ...

Two polar bear sisters arrived at Tallinn Zoo on Wednesday and are quickly adjusting to their new home. Chief veterinarian ...

Grizzly bears, for example, are a subspecies of brown bear found in parts of North America. There are many different ...

Pregnant polar bear females usually enter the den in late autumn and remain there throughout the winter. They don't eat ...

Sea ice extent is at record, and near record, lows for this time of year in both polar regions, leaving the planet ...

One of the great marvels of nature is how bears, the largest carnivore in North America, are able to hibernate all winter, ...

Tom Rugg, a biology teacher from Chepstow, has written The Polar Bear Song to raise awareness of climate change among children. In an exclusive video diary for the Green Wales season, follow Tom to ...

Some claim that polar bears are the only animals that hunt humans, but is this true? What would you do if you encountered a ...

To a layperson, it’s footage of adorable polar bear cubs with their moms against the backdrop of endless Arctic snow. For researchers who study the animals, however, it’s a rare and incredibly ...