Renowned photographer Thomas D. Mangelsen’s latest project focuses on a celebrated Yellowstone grizzly bear family, which he has been tracking and photographi

For nearly twenty years, alone and unarmed, author Doug Peacock traversed the rugged mountains of Montana and Wyoming tracking the magnificent grizzly. His thri

Humans and grizzly bears have been coming into contact in Yellowstone National Park ever since it was founded in 1872. Most of these encounters have ended peace

For more than half a century, grizzly bears roamed free in the national parks without causing a human fatality. Then in 1967, on a single August night, two camp