Add Yahoo as a preferred source to see more of our stories on Google. he Mount Jackson Rhyolite Series vitrophyre at Gibbon River This photo shows the exposure of the Mount Jackson Rhyolite Series ...

Back in the 1960s and 70s, a group of United States Geological Survey mappers set out to determine what rocks made up the Yellowstone Volcanic Field. Identifying the rocks that make up a region is not ...

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 ...

Geophysicists have discovered a second, even more massive magma reservoir feeding the Yellowstone supervolcano, providing researchers with the most comprehensive picture yet of the volcanic system ...

Underneath Yellowstone National Park in Wyoming lies a complex plumbing system of hot water, steam and rock that fuels the park’s magnificent geysers and hot springs. In the past, geoscientists relied ...

Beneath the rolling hills and vineyards of Tuscany, a team of geophysicists has mapped a reservoir of molten and partially ...

Researchers are using a technique to map out Yellowstone’s subsurface. The method is geophysics, a subfield of geology that studies the physical properties of rock and fluids in the subsurface to map ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Ben Crosby, professor, and Kyra ...