Rangers in Wyoming's Grand Teton National Park were unable to determine if speed was a factor in the recent vehicle strike ...

A 5-year-old bear born to grizzly bear royalty was fatally struck by a vehicle in Grand Teton National Park, officials said.

Grand Teton National Park staff discovered the carcasses of two yearling grizzly bears in a closed area south of Colter Bay.

On Tuesday, May 13, two young grizzly bears were found dead, killed by another grizzly in Grand Teton National Park. Just a few days later on May 14, a 400-pound grizzly bear was put down by ...