Happy International Polar Bear Day! For 21 years, conservation nonprofit Polar Bears International has celebrated these vulnerable bears with a day of conservation action and learning. Right now, ...

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Regular folks who care about wildlife generally know that climate change is bad for polar bears, but they have only vague ideas about the mechanics of it. We picture polar bears floating on ice floes ...

The baby bears are "cute as all get out, but noisy," one Facebook user said.

Polar bears near the remote archipelago of Svalbard are getting heavier, not thinner, even as the sea ice they depend on continues to shrink. New research points to conservation history as a key ...