Twenty years on, relive the iconic scene from Sir David Attenborough's Planet Earth that changed our understanding of how polar bears adapt to survive.

As the Arctic warms and sea ice disappears, polar bears are being pushed into conditions they have never faced before. Their hunting grounds are shrinking, food is becoming harder to find, and their ...

Add Yahoo as a preferred source to see more of our stories on Google. Land-based diets provide a counterintuitive nutritional void that fails to replace marine-derived fats. Researchers utilized ...

Polar bears are running out of ice and out of time, yet inside their cells something remarkable is happening. As the Arctic warms and traditional hunting grounds vanish, researchers are finding that ...