A Yellowstone supereruption would be devastating, but scientists say it is not the volcano’s most likely threat. Here is what ...

A volatile-rich cap sitting just above Yellowstone’s magma reservoir is reshaping how scientists understand what keeps the ...

Officials reported a hydrothermal explosion at Yellowstone’s Biscuit Basin, forming new vents and a boiling pool with no injuries.

Add Yahoo as a preferred source to see more of our stories on Google. Few natural phenomena inspire as much fascination and concern as the Yellowstone supervolcano. Beneath the park's famous geysers, ...

"Kablooey!" 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 ...

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 ...

Will Yellowstone erupt or are we blowing things out of proportion? We may have underestimated Yellowstone's potential to blow its stack in the future. Chinese scientists have made a disconcerting find ...

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A muddy eruption at Black Diamond Pool in Yellowstone National Park has been captured on camera. The video was recorded by the Yellowstone Volcano Observatory webcam Saturday morning. They said the ...

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 ...