The reason the region is safe is because, aside from Yellowstone being closed during the winter months, it has not yet reopened since the large blast a few years ago. The boardwalks themselves have ...

Learn why Yellowstone mysteriously does not produce sulfur dioxide, and what it means for volcanic unrest.

Scientists have uncovered tens of thousands of previously unseen earthquakes beneath Yellowstone, a reminder that one of the ...

Yellowstone's volcanic past reveals a dynamic system of repeated caldera-forming eruptions and smaller lava flows, with magma ...

U of U geology professor Robert B. Smith has made a 50-year career out of studying Yellowstone. He presents a lecture on the Yellowstone Supervolcano Wednesday, March 18, at 7:30 p.m. at the Skaggs ...

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it's visible from a road rather than any significant change in the park famous for its ...

Mountain building occurred all around the Yellowstone region and highlights a tortured geological history of uplift and volcanism. The Gallatin Range, just northeast of Yellowstone Caldera, is an ...

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

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Shaul Hurwitz, research hydrologist ...