Credit: Toronto Zoo/Cover Images With North America marking Groundhog Day on Sunday (2February) Toronto Zoo’s polar bears had an important message about climate change to deliver. It is now always ...

Scientists have quantified how much climate change has driven the population decline of polar bears living in Canada's Hudson ...

New research finds grease that coats polar bear fur contains a specialized mixture of chemicals that make it resistant to ...

Polar bears need all the help they can get to survive their frosty Arctic environment. One of their biggest survival secrets appears to be greasy hair. The sebum–or hair grease–on their fur ...

Plungers ran into the cold Chesapeake Bay on Saturday, Feb. 1, marking the 29th annual Special Olympics Maryland Polar Bear Plunge. The fundraising event, in which individuals pledge $100 or more ...