Of the four rocky planets (Mercury, Venus, Earth, and Mars), Earth is the only one with active plate tectonics, which is responsible for most of its geological formations. The ever-moving plates ...

What is a super eruption and how did they create the geology of Yellowstone? Where is the world's largest, most explosive, and most unusual volcano? It's Yellowstone National Park. The Yellowstone ...

Beneath Yellowstone Park a monstrous plume of hot rock is causing the earth to heave and tremble. Past volcanoes have erupted with a thousand times the power of Mount St. Helens. The future is anybody ...

Add Yahoo as a preferred source to see more of our stories on Google. Yellowstone eruption, illustration. Is this what it would actually look like? Picture this: You're roaming Yellowstone National ...

Add Yahoo as a preferred source to see more of our stories on Google. This photo of a volcano in Iceland doesn't even begin to encapsulate the devastation that would happen if the Yellowstone volcano ...

Beneath the geysers and steaming ground of Yellowstone National Park lies one of the most studied, yet still elusive, volcanic systems on Earth. Unlike most volcanoes that form along shifting tectonic ...

A Yellowstone super-eruption would begin not with a sudden surprise, but with weeks of increasingly alarming warning signs such as migrating earthquake swarms, rapid ground uplift, changing geysers, ...

Yellowstone National Park sits atop one of Earth’s largest volcanic systems, and right now that system is slowly reshaping the ground. Instruments show that the Yellowstone caldera is inflating into a ...

A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park. Geologists call this type of bulge “volcanic uplift.” It’s often caused by ...

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Perhaps ominously, but to err on the side of caution, Yellowstone's Volcano Alert Level is raised from "normal" to "advisory", indicating that unrest is above its established background level. These ...