In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

The last super-eruption at Yellowstone volcano, which occurred 631,000 years ago, was not one huge explosion. Instead, new research suggests it was a series of eruptions or multiple vents spewing ...

Is Yellowstone "due" for an eruption? Media reports have often claimed that Yellowstone is due to erupt. They claim that because the last eruption of the supervolcano was 70,000 years ago, it's ...

The term “supervolcano” refers to a volcano capable of producing an eruption with global consequences. Yellowstone fits this description. It has erupted three times in the last 2.1 million years.

The caldera is the enormous volcanic crater left from the last time Yellowstone experienced a giant eruption, 640,000 years ago. It covers an area about 30 by 45 miles .

Despite widespread fears of a catastrophic "supervolcano" eruption, scientists at the Yellowstone Volcano Observatory (YVO) have suggested that any eruptive event there would likely look far ...

The last super-eruption at Yellowstone volcano, which occurred 631,000 years ago, was not one huge explosion. Instead, new research suggests it was a series of eruptions or multiple vents spewing ...

The “critical melt fraction” at which the volcano might be prepared to erupt is more like between 35 and 50 percent, the team notes. Previously, researchers had estimated Yellowstone’s melt ...

Yellowstone National Park, known for erupting geysers like Old Faithful, is home to one of earth's largest volcanic systems, with the capacity to wreak havoc on an entire continent — and that so ...

The last super-eruption at Yellowstone volcano, which occurred 631,000 years ago, was not one huge explosion. Instead, new research suggests it was a series of eruptions or multiple vents spewing ...