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

Written by Mark Stelten, deputy scientist-in-charge at the Yellowstone Volcano Observatory, the post analyzes the v olcano's ...

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

One question that lurks in the back of many visitors’ minds as they traverse through one of the world’s largest active volcanoes is: when is Yellowstone’s next eruption going to be?

It’s been the staple of various film or TV show plots, though some might remember it more specifically as being the devious ...

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.

One question that lurks in the back of many visitors’ minds as they traverse through one of the world’s largest active volcanoes is: when is Yellowstone’s next eruption going to be?

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

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

Tambora, in 1815, resulted in the deaths of more than 100,000 people directly from the blast, and tens of millions due to ...

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 ...