Yellowstone National Park

Why Is Anyone Opposed to Reintroducing American Bison to the Wild?

The government wants to release some of Yellowstone's bison to the wild

A hot spring in Yellowstone National Park

Yes, Yellowstone's Roads Just Melted. No, There's No Reason to Panic

Yellowstone's melting roads, while neat, aren't as unusual as you'd think

Plumes of steam rise up from many spots along the Firehole River in Yellowstone National Park.

Yellowstone Belches Ancient Helium

Gas stored in the Earth’s crust for hundreds of millions of years is released by volcanic hotspot

Yellowstone Bears Actually Eat Moths for Food

It turns out that bears can eat 40,000 moths a day

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Bears That Have No Fish to Eat Eat Baby Elk Instead

The illegal introduction of lake trout in Yellowstone's lakes is having wide-reaching consequences

Clepsydra Geyser at Yellowstone National Park, Wyoming.

Gigantic Plume Beneath Yellowstone Now Even More Gigantic

The geysers of Yellowstone are a reminder of the potential danger that lies below

The Grand Canyon of the Yellowstone (1893-1901) by Thomas Moran

A Thomas Moran Masterpiece Returns to American Art

Thomas Moran's 1893-1901 canvas, "The Grand Canyon of the Yellowstone," is impressive not only in terms of its masterful execution and sheer size

A gray wolf in Yellowstone National Park.

Wolves to Lose Protection in Idaho and Montana

Since the first wolves were reintroduced in Yellowstone National Park in 1995, the population has grown to 1,500 or more

Jack rabbits like this one have mysteriously vanished from Yellowstone National Park a Wildlife Conservation Society study says.

Jackrabbits Vanish from Yellowstone

Since 1990, there's only been one jackrabbit sighting in Yellowstone

Grizzly bear near Obsidian Creek in Yellowstone National Park

Yellowstone Bear Hair

Scientists collect hairs from Yellowstone grizzly bears to conduct genetic studies

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Yellowstone Grumbles

Pent-up water and steam threaten to burst through the park's surface. (And we're not talking Old Faithful here)

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Walking the Grizzlies' Road, Yellowstone to the Yukon

Trekking 2,000 miles across rugged wilderness, biologist Karsten Heuer has braved bears and avalanches on behalf of a bold conservation initiative

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