Grizzly bears, black bears and polar bears are among the most recognisable bear species in the world, yet they differ greatly in size, habitat, diet and behaviour. While all three belong to the bear ...

Polar bears are the largest carnivorous land animals on Earth and sit at the very top of the Arctic food chain. As sea ice ...

Polar bears are synonymous with the whiteness of their fur. However, their fur is not actually white. It's transparent and covers black skin. Why, then, do they not look like black bears? The polar ...

White fur, blubbery skin, sharp claws. Polar bears seem perfectly adapted to their frigid habitat up north. Now, researchers have discovered the bears have another unexpected Arctic adaptation: greasy ...

In the Arctic, polar bears are equally at home swimming in the frigid waters or galloping across fields of ice and snow. When they emerge from the water, their fur temperature drops to nearly that of ...

With one foot braced on the helicopter's landing skid, a veterinarian lifted his air rifle, took aim and fired a tranquilizer dart at a polar bear. The predator bolted but soon slumped into the ...