A wildlife photographer out on an "extreme" expedition captured pictures of a polar bear mother checking out her surroundings. She was standing upright ... upright on the ice checking us out ...

Because of melting sea ice, it is likely that more polar bears ... to catch a single seal. Measurements showed those animals lost 10 percent or more of their body mass. One bear lost close to ...

Ice also does ... or how long it takes for a single drop of water to freeze at certain temperatures on a particular surface. They then compared the performance of polar bear hair with human ...

ITTOQQORTOORMIIT, Denmark — Inuit hunter Hjelmer Hammeken spotted a ringed seal near its breathing hole on the Greenland ice. In his white ... its greatest polar bear hunter.

are already declining because the ice does not persist long enough for the bears to hunt enough food for themselves and their offspring. Polar bear experts say that if the world continues to warm ...

So, when scientists discovered polar bear populations were dropping rapidly, they created a framework to understand what is standing in the ... mechanism linking sea ice loss with polar bear ...