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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...

Yellowstone National Park is known for its unique hydrothermal features and array of animals and plants, but what about its fossils? From tiny...

Have you noticed that there has been an increase in the number of earthquakes happening in Yellowstone over the last week?  This is because there is...

The Blackfoot Volcanic Field in southeast Idaho is a unique product of Yellowstone hotspot volcanism. While it is chemically similar to other volcanic...

We know from decades of observation that Yellowstone’s geyser basins are always changing, but what about thermal activity beneath the waters of...

Earthquake magnitudes may seem straightforward, but a lot goes into their calculation, and multiple methods can be used.  These methods must account...

Of the three enormous explosive eruptions from Yellowstone in the past 2.1 million years, the earliest and largest was the one that gave rise to the...

If you’ve been to Yellowstone, you’ve no doubt smelled some of the gases that come from depth and escape to the surface.  In addition to their noses...

A swimming pool?  At Old Faithful?  Sounds crazy, but for nearly 40 years in the first half of the 20th century there was a geyser-heated bathhouse...