A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.

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The volcanic system beneath Yellowstone National Park is one of the few places on Earth capable of an eruption so large it ...

Learn more about the past eruptions at Yellowstone National Park and how each new eruption displaced evidence of the past.

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 ...

Learn more about the rare instances when seismic and magma activity overlap in Yellowstone National Park.

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 ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily ...

Add Yahoo as a preferred source to see more of our stories on Google. Officials at Yellowstone National Park are shutting down rumors circulating on social media about wildlife leaving the park due to ...

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 ...