Yellowstone is home to hundreds of species of birds, fish and mammals, according to the NPS. It is the only national park in ...

A routine temperature check at the Norris Geyser Basin in Yellowstone National Park led geologists to discover a new blue ...

A group of tourists got dangerously close to a bear in Yellowstone National Park, taking photos as the bear snacked on a patch of grass just a few feet away, a video from late May shows.

A bison was gruesomely boiled to death in a Yellowstone National Park hot spring last week -- as tourists watched in horror.

Bison herd stops traffic as it crosses road in Yellowstone A bison died after it appeared to stumble into a hot spring at Yellowstone National Park last week while visitors looked on.

These trails also range from the easiest hikes you can do in Yellowstone to some backpacking challenges for seasoned hikers. Even Yellowstone's most underrated trail can be found in Wyoming. It's the ...

Several people witnessed a bison’s final moments after it fell into a hot spring in Yellowstone National Park, photos and videos show. Screenshot of Katie Hirtzel's video in "Yellowstone Through ...

Several people witnessed a bison’s final moments after it fell into a hot spring in Yellowstone National Park, photos and videos show. Screenshot of Katie Hirtzel's video in "Yellowstone Through ...

Onlookers at one of Yellowstone National Park's most popular sites watched a large bison take its final steps into a scalding hot spring and die in a horrifying reminder of what can happen away ...

The National Park Service is clearing up any misconceptions on whether wildlife is migrating away from Yellowstone National ...

There’s a new milky blue pool in Yellowstone National Park.