In a remote corner of Montana, backpackers and wildlife advocates clash over the future of a bear population hanging on for dear life.
Polar Bears International's Geoff York has been studying Arctic wildlife for more than 20 years. In that time he's had some magical moments—and a few close shaves.
See if you have the knowledge to ID the lower 48's bruins.
While thousands of people flock to U.S. national parks each year in hopes of seeing a bear, spotting one out in its element is just another day in the office for some employees.
In the Polar Bear Capital of the World, where encounters between animals and people are a fact of life, a 50-year-old program keeps both safe.
A warming climate is transforming grizzlies' diets. Will it endanger their future?
The agency's decision to euthanize a problem bear last year angered some, but NPS biologist Kerry Gunther says it was the right call. Here's why.