NASA is keeping an eye on Yellowstone, but not for the reason you might think. While most people worry about the supervolcano erupting, NASA is more interested in its extreme environment. The hot ...

In this depiction the ancient Farallon slab (blue) below the eastern United States sinks and drives the eastward mantle below the western U.S., whereas the Juan de Fuca slab (green) induces a local ...

A magnitude 5.8 earthquake centered in Lincoln, Montana, on July 6, 2017, followed by a 3.0 quake in roughly the same area on July 11 — and several aftershocks in between — finds people focused once ...

Yellowstone National Park visitors were startled last month by an unexpectedly fierce hydrothermal explosion – an eruption of underground hot water – that spewed steam, boiling water, mud, and ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week’s contribution is from Michael Poland, geophysicist with the ...