A mother polar bear has made the decision to adopt - a move that scientists say is extremely rare - and the new family was caught on video. Researchers had tagged the five-year-old mother, also known ...

BERLIN -- Germany's oldest zoo, which is home to the world's largest variety of species, welcomed an adorable polar bear cub. Polar bear mother Tonja gave birth to her cub on Dec. 1. The cub has ...

This is an extremely rare occurrence, researchers said — only 13 instances of the act have occurred in a group of 4,600 polar bears recorded over the last 45 years Researcher Evan Richardson said, "It ...

Researchers in northern Canada have observed a rare case of polar bear adoption, capturing video footage of a wild female bear caring for a cub that was not her own. "Cub adoption is relatively rare ...

Scientists studying polar bears were greeted with a most unexpected surprise during a recent tracking expedition in northeastern Manitoba. A polar bear mother and her cub were walking near Churchill ...