Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Over ...

With more than half of the translocated wolves now dead, Colorado's wolf reintroduction program is unraveling.

This spring, the prolific author, former park naturalist and wolf interpreter has turned his focus inward, a memoir that also includes stories of moose, a grizzly bear and wolves.

In the heart of Wyoming lies Yellowstone National Park, a sprawling ecosystem that has captivated millions of visitors for centuries. However, its delicate balance faced a near collapse before a ...

The award-winning documentary “Lost Wolves of Yellowstone,” in IMAX, is now showing on San Diego’s largest IMAX screen, in ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... How the wolf changed Yellowstone 30 years after ...

Editor’s note: This story first appeared in Mountain Journal. YELLOWSTONE NATIONAL PARK — Around Crystal Creek, where the road bridges the Lamar River at the fringe of Yellowstone National Park’s ...

A prominent wolf that lived among Yellowstone's most famous wolf pack is believed to have been illegally shot and killed just outside the park last month, according to wildlife experts. NOTE: The ...

Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...