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

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

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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.

A tour group watched a pack of wolves unsuccessfully try to take down a bison in Yellowstone National Park this past weekend.

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 ...

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 ...

If not for a series of tones broadcasting her location, no one would’ve known she had died. Like dozens of other Yellowstone National Park wolves involved in a three-decade-long study, researchers ...

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, ...