Looking at a polar bear, you'd probably assume its fur is white, but you'd be wrong, as it's really just an interesting trick ...

Happy International Polar Bear Day! Let’s celebrate! Anne Collins Goodyear co-director, Bowdoin College Museum of Art Illustrations: Polar Bears, 1970, graphite on tracing paper. Museum Purchase, ...

North America’s three bear species — black bears, grizzly bears and polar bears — don’t typically live in the same place. But in Wapusk National Park, on the west coast of Hudson Bay in ...