WASHINGTON (Reuters) - How do they do it? How do polar bears have such an incredibly high fat diet and get so fat - munching as they do on blubbery seals - without clogging their arteries and becoming ...

ON HUDSON BAY (AP) — Searching for polar bears where the Churchill River dumps into Canada’s massive Hudson Bay, biologist Geoff York scans a region that’s on a low fat, low ice diet because of ...

With Arctic sea ice shrinking from climate change, many polar bears have to shift their diets to land during parts of the summer. A new study looking at Hudson Bay polar bears tries to figure out if ...

Climate change is transforming ecosystems in the far north. An international team of scientists has made some surprising discoveries.

A polar bear near Kaktovik, Alaska. New research reveals how polar bears keep ice off their fur. Alan Wilson via Wikimedia Commons under CC BY-SA 3.0 Polar bears don’t have to worry about skipping a ...

A new method of tracking the dietary habits and contaminant exposure of animals in Arctic marine ecosystems is providing ...

Fundamental knowledge on free-ranging animals has been obtained through capture-based studies; however, these may be logistically intensive, financially expensive, and potentially inconsistent with ...

An adult female polar bear and her two cubs travel across the sea ice of the Arctic Ocean north of the Alaska coast. As the Arctic warms, polar bears now face a greater risk of contracting several ...