Siku, a 15-year-old male polar bear, is moving in the coming weeks to Madison, Wisconsin — home, of course, of the University ...

On Friday morning, zoo officials announced the arrival of 4-year-old Astra, who they hope will mate with Kulu, a 5-year-old male polar bear currently at the zoo, as part of a breeding effort to ...

A new study shows how much food polar bears leave behind — and how their decline threatens scavengers across the Arctic.

Climate change is transforming ecosystems in the far north. An international team of scientists has made some surprising discoveries.

A drone shows polar bears making themselves at home by lounging on the front stoop and gazing out the windows of an abandoned ...