HELENA, Mont. -- Montana authorities say a grizzly bear attacked and killed a 38-year-old mountain biker riding just outside Glacier National Park. Flathead County Sheriff Chuck Curry says Brad Treat ...

Popular hiking trails in British Columbia, Canada are closed after 2 hikers were injured in a grizzly bear attack, one of them critically.

Genetically, polar bears and grizzly bears aren’t all that different. Scientists believe that polar bears split from grizzly bears between 250,000 and 130,000 years ago. The two species are actually ...

Two hikers were attacked Oct. 12 by a grizzly sow with her cubs in the McGregor mountain range, according to Canadian officials. Conservation Officer Service Two people were seriously injured after ...

A new study found that grizzly bears have had to change their movements across the Canadian Rockies, becoming more constrained over time as they avoid human development like coal mines, highways, ...