Gray wolves were reintroduced in Yellowstone National Park in 1995 to help control the numbers of elk that were eating young ...

The restoration of gray wolves in Yellowstone National Park has helped revive an aspen tree population unique to the region, ...

For the first time in 80 years, a new generation of fully-fledged aspen trees has grown in Yellowstone’s northern range. According to a new study, the reason for the success is thanks to the wolves ...

Yellowstone National Park is celebrating an ecological milestone along with a key anniversary this summer, Oregon State ...

Yellowstone National Park is huge: 2,221,766 acres or 3,437.5 square miles, over twice the size of the state of Rhode Island.

The bear was added to the endangered species list in 1975 and it's been a tortuous political battle ever since ...

Yellowstone grizzly bears have surpassed federal recovery goals, but conservation organizations argue they still need ...

A U.S. House committee narrowly approved Wyoming Rep. Harriet Hageman’s push to remove grizzly bears from the endangered species list in the Yellowstone area, despite opposition from activists and ...

Experts can't verify for certain if a grizzly carcass recently found in Yellowstone is that of well-known "Raspberry," who ...

It’s the latest development in the ongoing battle over the future of grizzly bear protections in the lower 48.

The U.S. House Committee on Natural Resources on Tuesday narrowly voted in favor of delisting the grizzly bear from the ...

FWP has unveiled a Grizzly Bear Conflict Dashboard as a resource for information on where FWP staff are helping landowners ...