Latest news about the Yellowstone Supervolcano appears to be straight out of a high-action sci-fi movie, and what makes it ...

The awe-inspiring geologic features of Yellowstone National Park have long been a source of scientific intrigue and public fascination. Recent research has unveiled a new layer of complexity to the ...

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 ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Liv Wheeler, M.S. student, and Stacy ...

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 ...

Videos of animals appearing to flee Yellowstone National Park have gone viral, leading to speculation that the park’s infamous “supervolcano” may be about to blow. Climate website Green Matters ...

Kenneth Sims and other research scientists recently discovered that mafic volcanism of Henrys Fork Caldera, which is located in eastern Idaho and west of Yellowstone National Park, occurred ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Violet Turner and Faith Nolander, ...