New research offers clues as to why Mount St. Helens is one of the most explosive volcanoes in the Cascade range and why it stands apart from the chain of other Cascade volcanoes. Scientists from the ...

Federal scientists are pushing back against viral claims that “mega eruptions” could strike within days, even as they quietly prepare for the possibility that any restless volcano can change behavior ...

Tiny crystals suggest extinct volcanoes could still grow underground, a finding that could reshape how scientists assess ...

Two-dimensional maps of clinopyroxene crystals that passed through a volcano’s magma chamber display a sharp increase in ...

Add Yahoo as a preferred source to see more of our stories on Google. Mount Rainier’s seismic sensors showed unusual activity for several days, prompting widespread attention online, but experts told ...

They are some of the most dangerous natural events around our Cascade volcanoes. Lahars can slam communities far from the ...

Add Yahoo as a preferred source to see more of our stories on Google. When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ...

Volcanoes are Earth’s geologic architects. They’ve created more than 80 percent of our planet’s surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains ...

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