Yellowstone visitors had a front-row seat to the stark reality of the contest between predator and prey early Sunday, when ...

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

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.

The accompanying footage, captured last week in Yellowstone National Park, shows a collared wolf pup carrying a signpost ...

If you're longing to hear howls at dusk or spot something large and gray loping across the landscape, you're going to need to seek out the few remaining places in the United States where you can still ...

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

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk population, which had decimated the plant community, in ...

Touching wild animals, especially in National Parks, is both dangerous and illegal. Even so, many people make headlines every year for getting far too close to potentially threatening animals.

A viral photo of a wolf carrying a grizzly warning sign is more than just funny—it’s a reminder of who really runs the park.

A team of scientists installed game trap cameras in Yellowstone Park and noticed these unusual 'movement dynamics' in gray wolves.

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.

Yellowstone National Park feels like a living Earth museum, where bubbling geothermal wonders, sweeping valleys full of wildlife, plunging waterfalls and endless scenic roads invite you to explore at ...