Here’s the story of the Roosevelt Arch, Yellowstone’s most famous entrance. You’ll find the Roosevelt Arch standing at ...

A Florida man sustained minor injuries after being gored by a bison in Yellowstone National Park. This is the first reported ...

Idaho State Police say a pickup truck that collided with a tour van near Yellowstone National Park last week, killing seven ...

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Yellowstone National Park attracts visitors from around the world, and it is one of the top national parks in the U.S. It’s a ...

One of the world’s most closely monitored volcanic systems lies beneath Yellowstone National Park’s bubbling geysers and steaming mud pots. Now, a team of geoscientists has uncovered new evidence ...

Tucked away in Waterton Lakes National Park, little greyish brown butterflies ... the curiously isolated hairstreaks is "definitely a puzzle" as they work on finding the best ways to protect ...

For decades, scientists knew magma was simmering beneath the earth at Yellowstone National Park. A team of researchers ...

As summer tourism season heats up, the U.S. National Parks system typically readies for its biggest crowds of the year, but some parks that usually see large numbers of Canadian visitors are ...

Jonathan Newton / The Washington Post via Getty Scientists discovered a magma cap under the surface of Yellowstone National Park The cap acts as a lid, making sure the pressure and heat below ...

For many years, it has been known that one of the largest active volcanic systems in the world dwells beneath the surface of Yellowstone National Park, though its exact workings have remained ...