On the morning of July 23, 2024, a hydrothermal explosion from Black Diamond Pool in Biscuit Basin sent people running for ...

Known for its active geysers and other hydrothermal supremacy, Yellowstone National Park also extends to two more states.

This week's contribution is from Stanley Mordensky, geologist with the U.S. Geological Survey ... In the interior of Yellowstone National Park, these conditions can be difficult to find, even ...

Yellowstone has been the site of persistent volcanic activity for more than 2 million years. But what did the region look ...

The Yellowstone region today is wonderland. It is full of spectacular geysers and colorful hot springs, home to lakes and ...

One of its most striking geological features is its limestone ... As the headquarters of Yellowstone National Park, the Mammoth Springs Historic District is also home to historic buildings ...

Editor's note: Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Michael Poland, ...

Forget the summer crowds, exploring wide-open landscapes by ski, snowmobile or snowshoe, and revel in a solitude that few ...

Yellowstone has been a site of persistent volcanic activity for 2 million years. But what did the region look like before the volcanoes started to erupt?

The two bears were trapped by Montana Fish, Wildlife & Parks staff in a remote area near the Middle Fork of the Flathead River, just south of Glacier National Park.

Yellowstone’s popularity overshadowed a relatively unknown Oklahoma national park. With so much competition, the park no longer exists.

The trees aren’t as big as everyone says” and “I've seen better in video games.” Our national-parks columnist rounded up some scathing reviews of America's Best Idea.