This article was originally published with the title “ The Petrified Forests of Yellowstone Park ” in Scientific American Magazine Vol. 210 No. 4 (April 1964), p. 106 doi:10.1038 ...

Yellowstone volcanism has produced some of the youngest rocks in North America. This same region also features some of the ...

An example of the possible distribution of ash from a month-long Yellowstone supereruption. The distribution map was generated by a new model developed by the US Geological Survey using wind ...

Understanding the earthquake history of a region is key to estimating seismic hazard. To help with this task, Geologists look for clues about prehistoric earthquakes at the bottom of lakes in the ...

A new column of steam rises from Yellowstone. While the expansive volcano shows no hints of an eruption, magma brews beneath the surface, fueling hundreds of geysers and other heated phenomena.

Underneath Yellowstone, basaltic magma heats the surrounding ... volcanoes uses seismic data — seismic waves that can map ...

Marvel At Yellowstone's Unique Geologic Formations If you continue south on Highway 191 from Lava Lake, you can enter ...