When geologists study volcanic hazards or try to anticipate what a volcano may do in the future, one of their primary tools ...

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 huge fissure has emerged in Yellowstone, raising alarms among scientists about the supervolcano's activity. This unexpected ...

The bulge the size of Chicago has sparked fears it could erupt - but one scientist insists there are no major concerns yet, ...

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 ...

Echinus is the largest known acidic geyser on Earth.

Did you know that Yellowstone National Park sits on top of one of the largest active volcanoes in the world? It's a geological wonder constantly bubbling with geothermal activity. Yellowstone is more ...

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

Did anyone else grow up in perpetual fear of any and all natural disasters? I don’t know if it was cartoons or what, but as a kid who lived in the very urban city of Philadelphia, I was convinced I ...

That's the word U.S. Geological Survey volcanic experts used to describe a muddy eruption at Black Diamond Pool in Yellowstone National Park on Saturday morning. Video shared by the USGS on social ...

Yellowstone has documented an eruption from its Echinus Geyser, which slowly ceased erupting in the decades leading up to ...

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 ...