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

Maps about Yellowstone tend to grab attention fast, so most people skim them and move on, which means the real story often ...

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

This photo shows the exposure of the Mount Jackson Rhyolite Series vitrophyre at Gibbon River. Boulders of weathered, lichen-covered rock show how easy it is to overlook these new units. (Photo by Liv ...

The Greater Yellowstone Ecosystem’s grizzly bear population continues to stagnate geographically, a relatively new trend, ...

Most tourists who visit Yellowstone National Park snap photos of Old Faithful and stroll past bubbling mud pots, never ...

A map showing how the ground around the Yellowstone supervolcano has deformed over the last two years has been released by the U.S. Geological Survey. The map, by USGS geophysicist Chuck Wicks, shows ...

A new map by the National Geographic Society showing Yellowstone National Park and its surrounding communities attempts to promote sustainable tourism. National Geographic officials call it a ...

(Interestingly, the BLM Yellowstone River map notes the Nez Perce crossed the Yellowstone River about 1.5 miles below Duck Creek Bridge, indicating this was a shallow area.) According to another ...

On a small trail in Billings’ Riverfront Park, where the snow is pockmarked by deer tracks and a lone bicycle’s tires, a brown plaque marks the location where the steamboat Josephine tied up to a ...

Recent research has looked at that ancient geological history in greater detail and identified 12 major eruptions in southern Idaho, one of which was a super eruption similar in scale to Yellowstone’s ...