A segment of the polar bear population is at risk of extinction should ice-free periods continue to get longer, researchers have determined using analysis of the sea ice as well as the health of the ...

While grizzlies are impressive, they are not the largest bears to ever exist. Both living and extinct species have surpassed them in size. Here are five bears that were, on average or at their upper ...

Brian Yablonski, the CEO of Bozeman-based conservation group Property and Environment Research Center, served as the majority witness in a March Senate hearing on ways to update the Endangered Species ...

Lessons from extinction could help protect the bears of today. New research reveals that the now-extinct cave bear was much more adaptable than once thought yet was still made extinct when faced with ...