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

In Yellowstone, the long, rising howl of a gray wolf has always felt like pure mystery, a sound that hints at meaning but keeps its distance. Now artificial intelligence is starting to pull that ...

New tech is helping researchers better understand Yellowstone's apex predators.

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, ...

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 ...

Once the bear reached the area where the wolves were, the wolves must’ve smelled him ... then all chaos broke out.” ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Yellowstone National Park’s wolf population has declined from last year, according Yellowstone ...

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 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 ...

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