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 ...

Polar bears hold the title of the largest carnivorous land mammals on the planet. They typically measure between seven to ...

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 ...

A group of polar bears has taken up residence at an abandoned research station formerly used by the Soviet Union.

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.

Siku, a 15-year-old male polar bear, is moving in the coming weeks to Madison, Wisconsin — home, of course, of the University ...

Photographer John Shedwick filmed the brawl while at sea aboard the luxury Seabourn Cruise Line expedition voyage. The cruise was sailing through the Torngat Mountains National Park and Nachvak Fjord ...

A sperm whale lies on its side amid shards of polar pack ice, dead and decomposing, its mouth hanging open in a silent scream. The lateral image on a flat plain resembles a textbook’s illustration of ...