In 1995, 14 wolves were relocated to Yellowstone National Park from an area near Jasper National Park in Alberta, Canada. These 14 wolves became the first to roam Yellowstone in seventy years since ...

A new peer-reviewed study reports that claims of a “world-leading” trophic cascade in Yellowstone National Park are not supported, citing problems with the methods used in earlier research. A newly pu ...

At the age of 11 years, 9 months, Wolf 1090F has earned the title of the oldest living wolf in Yellowstone, which is ...

New research questions the long-held theory that reintroduction of such a predator caused a trophic cascade, spawning renewal of vegetation and spurring biodiversity. Yellowstone’s ecological ...

YELLOWSTONE NATIONAL PARK, Wyo. – In 1877, five years after Yellowstone became the nation’s first national park, an unlikely band of visitors showed up at its western border. Chased by a phalanx of ...

Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in the Yellowstone ecosystem.

National Geographic Live comes to the Vilar Performing Arts Center with wildlife biologist Doug Smith discussing wolves in a public talk on Sunday, Sept. 22, and a STARS talk specially designed for ...

The restoration of gray wolves in Yellowstone National Park has helped revive an aspen tree population unique to the region, a new study has found. Quaking aspen, one of the few deciduous tree species ...

On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National Park. (National Park Service file photo courtesy of Jeremy ...