Despite this clear motivation to get back to hunting seals on the sea ice, polar bear families will often hang out at the den ...

Scientists captured polar bear cubs emerging earlier from their dens, linking it to climate change and environmental shifts.

The model follows the full life cycle of individual polar bears from ... During this period, the region's polar bear population dropped by almost 50 percent. In addition, the average size of ...

An curved arrow pointing right. In 2014, researchers with the US Geological Survey attached a camera to a radio collar on a polar bear. While the footage is pretty shaky, it's an incredible first ...

Read on to learn more about the nature of grizzly-polar bear hybrids, including their physical characteristics, life cycle and whether they can survive in the wild. The grolar bear, also known as ...

Why did the brown bear evolve into the polar bear? Animation describing how brown bears adapted to life in the Arctic. Sam, a young tortoise, is hungry. Grandad Charlie tells him a story about how ...