Thousands of tourists visit Cooke City, Montana, outside the Northeast Entrance to Yellowstone National Park. The local ...

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

Yellowstone National Park is home to breathtaking landscapes and diverse wildlife, but do you know which animal poses the ...

SALT LAKE CITY — Scientists have studied Yellowstone National Park's magmatic system for decades, which makes the iconic geysers, mud pots and various hydrothermal wonders possible. But it wasn ...

As dusk began to fall on Yellowstone National Park, the male grizzly bear wandered down a hill in hopes of getting a free ...

Busy tourist season is nearly upon Yosemite National Park and officials are warning visitors to be cautious of "one of the ...

It turns out that beneath the wild expanse of Yellowstone National Park lies one of the most closely watched volcanic systems on Earth. And while the massive supervolcano beneath the park has long ...

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 ...

Wrangell-St. Elias National ... national park. Wrangell-St. Elias’ amalgam of sprawling glaciers, snowy peaks, and isolated boreal forests is roughly six times as big as Yellowstone.