Scientists reveal how mountain lions, elk, and other animals are making use of these underground areas in Colorado.

Scandinavian mother bears gain a survival advantage by weaning their babies later than normal, analysis of a 30-year dataset suggests.

Authors retract a paper on grizzlies’ metabolism after finding one person made up data.

A chemical prevalent in the bear gallbladder abates a cellular stress response and stalls the progression of type 1 diabetes in rodents.

Toby Burke, 48, defended his family from a brown bear in Alaska using a birdwatching telescope.

A round-up of recent discoveries in behavior research