Scientists have identified a distinct subpopulation of polar bears in southeastern Greenland that, in an area with little sea ice, survive by hunting from ice that breaks off glaciers. The discovery suggests a way that a small number of bears might survive as warming continues and more of the seaContinue Reading

From a helicopter, it can be hard to spot a polar bear against the frozen tundra. So when the polar bear biologist Jon Aars heads out for his annual research trips, he scans the landscape for flashes of movement or subtle variations in color — the slightly yellowish hue ofContinue Reading

From a helicopter, it can be hard to spot a polar bear against the frozen tundra. So when the polar bear biologist Jon Aars heads out for his annual research trips, he scans the landscape for flashes of movement or subtle variations in color — the slightly yellowish hue ofContinue Reading