U.S. wildlife officers seized a polar bear named Alaska yesterday from a Mexican circus accused of keeping the Arctic animal in cramped and overheated quarters on tropical Puerto Rico.

A polar bear stands on a ice flow in Baffin Bay above the arctic circle on July 10, 2008. The infamous carnivore has become a poster animal for the effects of climate change — but that has led ...

Some Manitoba researchers are looking into the potential impact and overlap of wildfires with polar bear denning habitat.

Although polar bear sightings have become more common, the ursine interloper outside the school still drummed up considerable awe. “ We’re looking for a new mascot,” posted ACMS Nanuit, a K ...