A polar bear ... “Heart melting,” someone said. Another person said they “absolutely melted” when they saw the video. “How caring, patient and loving that muma bear is,” another ...

Two-thirds of the world's polar bears could be extinct by 2050 if greenhouse gas-fueled global warming keeps melting their Arctic sea-ice habitat. The Center has led the charge to save polar bears ...

University of Wyoming researchers Hank Harlow, left, and John Whiteman collect a breath sample from a polar bear on pack ice in October 2009. This material relates to a paper that appeared in the ...