Steamboat Geyser eruption not witnessed from ground, but photographer in a plane captures footage next morning.

Yellowstone National Park sits above one of the most extensively studied volcanic systems on Earth. Beneath its forests, ...

Imagine a volcanic eruption so massive it could plunge the Earth into darkness, trigger widespread famine, and alter the ...

Steamboat Geyser holds an elusive reputation for its prolonged periods of dormancy followed by abrupt episodes of ...

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 ...

The United States has a habit of showcasing its geology. Long before cities and highways showed up, forces beneath the ...

Kablooey!” That’s the word U.S. Geological Survey volcanic experts used to describe a muddy eruption at Black Diamond Pool in ...

A big, messy surprise greeted Yellowstone National Park early Saturday morning, just as winter officially began. At around 9:23 a.m., a powerful mud eruption took place at the Black Diamond Pool in ...

A muddy eruption from the Black Diamond Pool at the Biscuit Basin in Yellowstone National Park was captured by a webcam on Saturday0.Footage released by the USGS shows mud spraying up out of the pool ...

Officers who defended the Capitol on Jan. 6 say their struggles linger, 5 years after the riot NASA’s largest library closes amid staff and lab cuts Trump’s plan to seize and revitalize Venezuela’s ...