Yellowstone visitors are getting so comfortable with approaching wildlife that park officials are asking them to stop One elk calf and another bison calf were both killed due to human interaction.

As Yellowstone opens for its summer season, the national park is asking visitors to make a pledge.

The bison fell into the 160-degree Grand Prismatic Spring. An eyewitness calls the ordeal a reminder of ”the circle of life.“ ...

The range of animals in the park is huge. In addition to wolves, bears and mountain lions, Yellowstone has more than 60 mammal and 285 bird species.

Welden had grown up visiting friends in Western Wyoming and fell in love with Yellowstone and Grand Teton National Parks. Today, as a wildlife naturalist guide with Jackson Hole Eco Tour ...

Some people worry about wildlife at Yellowstone National Park and whether the recent flood that closed the park has harmed the park's iconic animals.

Yellowstone National Park is celebrating 150 years! The national park shares wildlife, scenery and opportunity to enjoy nature. Here are gorgeous modern-day photos.

Portland, Oregon, photographer Gary Grossman won first place in the landscape division of the National Wildlife Federation’s annual photo contest with this shot from Yellowstone National Park.

Here in Wyoming's top-left corner, you can explore the greatest concentration of free-roaming wildlife in the contiguous United States — in your own vehicle, at your own pace (and, sometimes, at ...

The first hints of spring have emerged alongside bears from their dens, as Yellowstone National Park has officially confirmed the first grizzly bear sighting of 2024.

Bison, elk and social distance: A photographer’s view from Yellowstone during delta September 4, 2021 More than 3 years ago ...

A new book documents the growing challenges faced by wildlife as they migrate across the Greater Yellowstone Ecosystem ...