The footage was posted to Instagram by a wildlife photographer, showing the trio moving through the park in close formation.

By Lyle Lewis Yellowstone National Park is often told as a story of recovery. Wolves returned and then elk changed their ...

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In Yellowstone National Park — where gray wolves were reintroduced starting in 1995 — researchers have gone back and forth on whether the restoration of wolves has impacted the ecosystem. The idea is ...

In 1995, Yellowstone National Park became the centre of a conservation experiment that would later be celebrated across the ...

Leslie Patten hiked into a remote reach of northwest Wyoming’s Sunlight Basin in December to post a trail camera where she’d earlier seen wolf tracks. At the time, a winter closure was fast ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... What is the legacy of Yellowstone wolves 30 years after ...

A critique from a team led by Utah State University ecologist Dan MacNulty and published in Forest Ecology and Management has prompted a formal correction to a high-profile study on aspen recovery ...

Biology teachers around the world commonly introduce their students to the concept of 'trophic cascades' with an example from Yellowstone National Park in the United States.

8-Mile pack pups from two breeding females’ litters excitedly greet adults returning to the den. Pup survival to independence increases significantly with increasing numbers of adult pack members, who ...