Most tourists who visit Yellowstone National Park snap photos of Old Faithful and stroll past bubbling mud pots, never realizing they're walking on top of one of Earth's most powerful geological ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Strange things are afoot in Yellowstone National Park. Since July, U.S. Geological Survey (USGS) scientists have been monitoring ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Steamboat Geyser erupts in the Norris Geyser Basin of Yellowstone National Park on September 17, 2018. (Photo by Jacob W.

A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park. Geologists call this type of bulge “volcanic uplift.” It’s often caused by ...

The otherworldly landscapes of Yellowstone National Park have captured imaginations for centuries, with their bubbling mud pots, peculiar rainbow-colored pools, and dramatic geysers that shoot skyward ...

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 ...