How much weight can a polar bear lose before it’s too late?” That’s the question plaguing researchers after a remarkable ...

Melting sea ice causes polar bears to lose their traditional hunting grounds. You'd be surprised at the lengths they go to ...

Churchill, often referred to as the “Polar Bear Capital,” becomes a staging ground each fall for hundreds of polar bears ...

Before pivoting her focus to the Arctic, Alysa McCall worked extensively in the grassland ecosystem. There, the interventions ...

Biologists were on Capitol Hill this week to warn lawmakers that changes they are considering to the “Marine Mammals Protection Act” could cause serious harm to whales, dolphins, polar ...