In an exclusive look at a new episode of Incredible Animal Journeys, narrated by Jeremy Renner, two polar bear cubs get spooked after seeing a tiny hare.

Related video above: Baby polar bear cub in the UK finally being shown off for first timeThis Saturday just got twice as cute.The Toledo Zoo has announced the birth of two polar bear cubs, the ...

Loss of sea ice means more time fasting on land for mother bears, reducing their milk supply and contributing to shrinking bear populations, researchers say.

For nearly a decade, researchers have gathered camera footage from outside the dens of female polar bears and their cubs on Svalbard, shedding light on the behaviors linked to denning.

Weighing just over a pound at birth, newborn polar bear cubs are small — but they're not small enough to fit in the palm of your hand. Some Facebook users say otherwise. A popular image ...

In the video, the polar bear is lying on the ice (polar bears sleep many hours of the day to conserve energy) while her rambunctious cub crawls all over her, giving her kisses and love bites.