Scientists combined satellite collars and cameras to study polar bear denning, showing how cubs adapt before leaving.

A playful polar bear cub (not the one pictured here) was captured snuggling its mom and showering her with kisses and affection in Canada, video shows. Photo by Hans-Jurgen Mager via Unsplash A ...

It shows a mother polar bear walking through the frozen landscape — then a cub pops up out of the den and slips and slides over the ice toward her. As the cub reaches its mom, another two emerge ...