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We know Yellowstone today as the site of a huge caldera that erupted 631,000 years ago and covered the region in a thick layer of ash. But what was...

Yellowstone Volcano receives ample attention for being a large, active, caldera-forming volcanic system. Given the massive eruptions over the last 2.1...

The interactive Geology of Yellowstone Map has been updated with new data. Check out recently added map layers that highlight Yellowstone’s monitoring...

The Yellowstone hotspot—the source of heat that powers Yellowstone’s vast volcanic system—has long been thought to have initiated about 17 million...

Results from laboratory experiments have provided significant insights on many fundamental physical and chemical processes on Earth. They also add...

Yellowstone hosts thousands of thermal features which have diverse chemistries and origins. The most iconic features, like Old Faithful, have neutral...

The tallest active geyser in the world has been erupting at a record pace since March 2018. Why are eruptions so energetic, what influences the...

Although 2020 may not have been a great year for many of us, it was a pretty interesting year in Yellowstone.  With this first Yellowstone Caldera...

Although Yellowstone Lake itself may seem calm, the floor of the lake is littered with hydrothermal explosion craters.  Detailed studies are beginning...

Geology is inherently a three-dimensional science—it’s not just about what is at the surface, but what is beneath the surface as well. This is...