Is there a volcano in Yellowstone National Park? Let's break down what this video ... When this happens, the result is often ...

Yellowstone National Park is a popular destination for geology field trips. It’s easy to see why—the dynamic landscape ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory ... surface of Yellowstone National Park exists in a mostly ...

Update: Our new Yellowstone National Park stories may surprise you with ... The park roils with geysers, fumaroles, mud volcanoes, and other hydrothermal activity. Half the geysers on the planet ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...

Yellowstone National Park offers unique geothermal features ... Before departing, visitors should stop by Mud Volcano to see ...

Yellowstone's volcanic activity is waking up after 160,000 years. Learn how scientists are monitoring and preparing for ...

The first reports of Yellowstone, in the early 1800s, described a place in the northwest corner of the Wyoming Territory where mud boiled ... Yellowstone Park, the first national park in the ...

When Yellowstone ... typical volcanoes. Instead, a large magma pool sits right below a shallow surface rock layer. That's what lurks beneath the surface at Yellowstone National Park.

A geyser in Norris Geyser Basin, close to where the Yellowstone National Park earthquake struck ... according to USGS's Yellowstone Volcano Observatory. There are about half a million minor ...