This photo shows the exposure of the Mount Jackson Rhyolite Series vitrophyre at Gibbon River. Boulders of weathered, lichen-covered rock show how easy it is to overlook these new units. (Photo by Liv ...

A caldera—like the one at Yellowstone Park spanning parts of Wyoming, Idaho and Montana—is a large depression or hollow formed when a volcano erupts and the magma chamber beneath it empties, leading ...

A deer searches for food on July 9, 2024, at Yellowstone National Park. (Pat Sutphin for the Idaho Capital Sun) The Yellowstone region today is wonderland. It is full of spectacular geysers and ...

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

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Stanley Mordensky, geologist with the ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from R. Greg Vaughan, research scientist ...

Tens of thousands of tiny earthquakes which went undetected for years have been revealed under the Yellowstone supervolcano, potentially paving the way to predict future natural disasters. An ...

Each year, Yellowstone National Park attracts millions of visitors who are eager to see its explosive geysers, steaming hot ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Lauren Harrison, assistant professor ...