A recent update on the U.S. Geological Survey (USGS) website offers new insights into the timing of a potential eruption of ...

People visit Yellowstone National Park every year to observe its wildlife and vast array of hydrothermal features. One ...

The effects of a Yellowstone supervolcano eruption could be significant for the US and the entire globe. Scientists have ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Mark Stelten, research geologist ...

Scientists will be drilling a 1.3-mile-deep borehole into an active volcano to tap into the potentially limitless energy from the magma ...

This once unremarkable lake underwent a series of bizarre changes, leading to a dramatic and unexpected event.

Scientists can’t know precisely when a volcano is about to erupt, but they can sometimes pick up telltale warning signs ...

What triggers geysers to go off is still not well understood. A new paper shows that one small earthquake likely triggered an eruption of the world's tallest active geyser, Steamboat.

Mark Stelten has conducted research on magmatic systems since 2008 with an emphasis on geochronology and geochemistry. He has worked on a variety of volcanic and plutonic systems over the course of ...