A supervolcano is located at Yellowstone National Park. Here's what happens to North America and the rest of the world if ...

The blue water spring is about 13 feet in diameter and 1 foot below the rim, USGS said. The water in the pool was measured at ...

How would a large eruption at Yellowstone impact the US? According to the USGS, a “supereruption” at Yellowstone would have regional effects, including falling ash and short-term changes to ...

The most recent eruption, which happened roughly 640,000 years ago, created the Mesa Falls ash bed, stretching east-southeast from the Yellowstone Plateau, scattering ash primarily in Colorado ...

The most recent eruption, which happened roughly 640,000 years ago, created the Mesa Falls ash bed, stretching east-southeast from the Yellowstone Plateau, scattering ash primarily in Colorado ...

While officials have said the hydrothermal explosion in Yellowstone earlier this month isn't a warning sign of impending doom, it's hard not to wonder what a 'supereruption' could look like.

While officials have said the hydrothermal explosion in Yellowstone earlier this month isn't a warning sign of impending doom, it's hard not to wonder what a 'supereruption' could look like.