Scientists have assessed Yellowstone's chances of eruption by measuring electronic currents flowing deep within the Earth ...

Yellowstone National Park is a popular destination for geology field trips. It’s easy to see why—the dynamic landscape contains a variety of geological wonders that are not easily seen elsewhere.

The Yellowstone Volcano Observatory said a large eruption ... You can see those ash beds outlined in the map below. The most ...

"The great basin," he wrote, "has been formerly one vast crater of a now extinct volcano ... Scientists calculate that the pillar of ash from the Yellowstone explosion rose some 100,000 feet ...

Yellowstone is well known ... For starters, the eruption could emit ash that would expand over a 500-mile area (seen below). For comparison, this map shows the area that the Mount St. Helens ...

Unlike smaller volcanic eruptions that primarily produce lava flows, a Yellowstone eruption would eject most of its magma as ash, creating colossal plumes that would blanket much of North America ...