Mike Poland, of the Yellowstone Volcano Observatory, said “the feature itself is new. That there would be a new feature is, ...

Now, Yellowstone's magma is on the move, according to research published in the journal Nature, where a team of scientists said they found a build-up in a corner of a vast 50 kilometre by 70 ...

If you are planning on driving in Yellowstone National Park when most of its roads open in April, you could drive by one of ...

This story appears in the August 2009 issue of National Geographic magazine. Update: Our new Yellowstone National Park stories may surprise you with pictures of Yellowstone's remarkable animals.

A new column of steam rises from Yellowstone. While the expansive volcano shows no hints of an eruption, magma brews beneath the surface, fueling hundreds of geysers and other heated phenomena.

Lying five miles beneath the surface of Yellowstone National Park in Wyoming is a timebomb more than 640,000 years in the making. The Yellowstone supervolcano is a vast reservoir of magma with the ...

The volcanic crater lake attracts thousands of visitors each year. Those wanting to enjoy the deepest lake in the U.S. will need to schedule a visit soon, before access closes for more than two years.

At Crater Lake National Park, the deepest lake in the U.S. is slated to close to swimmers and boaters for two years.

Alaska's Mount Spurr volcano is close to erupting, according to scientists. The volcano is "releasing unusual levels of volcanic gases near its summit and from a flank vent that last erupted in ...

ANCHORAGE, Alaska — Increased volcanic activity on Alaska's Mount Spurr volcano indicates an eruption could be coming in the next weeks or months, according to the Alaska Volcano Observatory.