JACKSON, Wyoming — A grizzly who officials believe was the oldest female reproducing bear in the Greater Yellowstone ...

The bear known as Grizzly 399, whom PBS dubbed the "most famous grizzly in the world," was killed Tuesday evening after she ...

Grand Prismatic Spring, the third largest hot spring in the world and one of Yellowstone's top attractions, looked ...

Car crashes with wildlife can be common across the species’ range, officials said. Nearly 50 grizzlies died in crashes from ...

A female grizzly bear that delighted visitors for decades in Wyoming’s Grand Teton National Park has been struck and killed ...

Last day for visitors to enjoy most of Yellowstone National Park will be Oct. 31Most entrances and roads will be closed Nov.

Grand Teton National Park’s famous grizzly bear No. 399, known by wildlife photographers around the world, died after being struck by a vehicle Tuesday in Wyoming.

The last day for visitors to drive most of Yellowstone National Park’s roads will be Oct. 31. The West, South and East entrances and nearly all ...

A grizzly bear known as "399" was struck and killed by a vehicle Tuesday night while out with her cub in Grand Teton National ...

At 28 years old, the mama grizzly bear was the oldest female still producing cubs near the national park. The post Famous ...

This once unremarkable lake underwent a series of bizarre changes, leading to a dramatic and unexpected event.

The West, South and East entrances and nearly all roads will be closed to regular vehicle traffic Nov. 1. The park annually ...