Yellowstone has long been a mecca for scientists studying how predators affect everything from elk grazing to vegetation ...

Grizzly bears are reaping the benefits of a better berry crop in Yellowstone National Park, thanks to the role wolves have played in reducing elk numbers, according to a new study by researchers. The ...

Fewer cutthroat trout in Yellowstone Lake could be part of the reason that elk herds migrating out of the park are declining. Two recently published studies conducted in Yellowstone National Park ...

YELLOWSTONE NATIONAL PARK — U.S. Geological Survey alongside Yellowstone National Park are working to let the public know that pre-baiting and scientific capture operations is set to begin within ...

OUTSIDE OF MEETEETSE, Wyo. — High above the trees, in the rocky slopes of the Absarokas, one-calorie morsels scurried from the light. They crawled under rocks and in dark shadows. The army cutworm ...

Grizzly 399, a beloved mama bear known as the queen of Wyoming's Grand Teton National Park, has died after being hit by a car, the U.S. Fish & Wildlife Service reports. The 28-year-old brown grizzly ...