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 ...

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 ...

BOULDER, Colo. — A female bear with a cub charged at and scratched a man Saturday night in Boulder, according to Colorado Parks and Wildlife (CPW). The encounter happened about 11 p.m. as the man was ...

Bear X33991 leading her two cubs along the ice. Dave Sandford / Discover Churchill (Wildlife Photographer, Guide, and Polar Bears International Photo Ambassador) Get the Popular Science daily ...