Technology enabling virtual fences for pets is now being adapted for livestock. Ranchers near Yellowstone National Park are testing its ability to keep cows safe from grizzly bear attacks.

The numbers are fueling the debate about whether grizzlies should remain protected under the Endangered Species Act.

Yellowstone National Park is home to plenty of dangerous animals. Surprisingly, though, the main cause of injury is far more ...

An archery hunter who was knocked down and bitten by a bear while hunting elk with his friend has survived the surprise attack, officials in Idaho said. automation An archery hunter who was knocked ...

Greater Yellowstone Ecosystem trends — which include another high mortality year — are not a cause for concern, federal and state grizzly bear managers say.

If you're hoping to catch a glimpse of a black bear or grizzly bear, here's where to see bears in Yellowstone National Park and tips on safe viewing.