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What were the major events have shaped the Earth and its environment, and when did these events takes place? When did the major volcanic events in...

The sediment record contained at the bottom of lakes has proven to be an excellent method to assess how climate has changed over the past thousands of...

The geyser cones of Yellowstone are made up of material called sinter—a form of silica precipitated from hot water. When looking at the sinter under a...

It was business as usual in 2021 at Yellowstone—earthquakes, ground deformation, geyser eruptions, and lots of field work! As is tradition, this first...

Yellowstone hot springs are renowned for their amazing colors, many of which are created by photosynthetic processes. The colors vary depending on...

Drilling is often suggested as a means of preventing Yellowstone from erupting. It seems like a reasonable idea, but the volcano doesn’t work that way...

Volcanism in the Yellowstone region has generated a lot of ash over the last several million years.  Rivers, including the ancestral Missouri River...

Yellowstone’s thermal waters are more than just hot—they also contain a variety of elements, some of which are potentially toxic!  Arsenic is an...

Seismic activity in central Idaho has been elevated for the past 20 months. These earthquakes are aftershocks of a M6.5 earthquake that occurred on...

Yellowstone is well-known as one of the largest volcanic systems in the world. Few people know, however, that the largest-known subaerial landslide on...