In the middle of a magical forest lives three bears, big bear, middle sized bear and little baby bear. The three bears went for a walk whilst they waited for their porridge to cool down.

Little footage on polar bears emerging from their dens exists because of the remote locations the bears tend to hibernate in. The team typically spends the last kilometer traveling to the site on ...

But because polar bears (Ursus maritimus) make their dens in frigid, hard-to-reach places, researchers know very little about this vulnerable stage of their lives. Now, however, scientists have ...