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An adolescent wolf was caught on camera running across a road carrying a wooden signpost in its mouth.

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 ...

Toddlers are always up to no good... even in the Animal Kingdom. The National Park Service says that Yellowstone National Park is home to the largest concentration of mammals in the lower 48 states.

A Yellowstone wolf showed its more playful side Monday, somehow removing and carrying off a sign put up warning tourists ...

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.

This winter saw the most wolves from Yellowstone National Park killed in about a century. That's because states neighboring the park changed hunting rules in an effort to reduce the animals' numbers.

Yellowstone wolf watchers were gathered in awe on the morning of Oct. 6, ogling a pack of at least five black wolves roaming through the sagebrush near Lamar Valley. But the crowd soon saw something ...

It is a busy time right now in Yellowstone National Park with the grizzly bears waking up from hibernation as Spring weather ...

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