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The Snake River Plain is a prominent river drainage that cuts a broad “smile” across southern Idaho, easily recognizable from satellite imagery. The...

The track of the Yellowstone hotspot is defined by a series of old caldera systems that get older the farther to the southwest you get from...

Many of Yellowstone’s lakes have been in existence for thousands of years, steadily accumulating sediments that capture different climatic periods...

When you envision scientists working in a laboratory, you might not think of geologists.  But there is an important field of geology called...

Young volcanic rocks in Wyoming are not limited to the area in and immediately surrounding Yellowstone Caldera. Eruptions have also occurred in the...

Magma reservoirs beneath large volcanic systems like Yellowstone are not simply large tanks of molten rock, but rather are dynamic mixes of melt and...

What is the difference between an active volcano, a dormant volcano, and an extinct volcano?  It can be a confusing way to describe volcanic activity...

Continuous GPS stations in Yellowstone National Park measure minute ground movements, aiding in monitoring the volcanic system. But by analyzing the...

Today we celebrate the life and career of Robert Christiansen (1935-2022), the first Scientist-in-Charge of the Yellowstone Volcano Observatory, a...

Did you know that Africa is home to more than 100 active volcanoes, including one with a lava lake that produces some of the most fluid lava flows on...