It was small by volcanic standards, but massive by human ones: on this day in 1980, Mount St. Helens erupted in what the ...

It started as a go-for-broke experiment, but it wound up saving an ecosystem.

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 ...

Washington state may not have to worry about hurricanes, but it is volcano country. The United States has 161 active volcanoes – all in the western U.S. – but only 18 are classified as a "very high ...

One of the most dangerous volcanoes in the U.S. appears to be rumbling to life—but luckily, an eruption does not appear to be imminent. Mount St Helens has seen an uptick in earthquakes since mid-July ...

Add Yahoo as a preferred source to see more of our stories on Google. Strong winds across parts of Washington state have kicked up volcanic ash deposited during the 1980 eruption of Mount St. Helens, ...

Iceland's Fagradalsfjall volcano could be just moments away from its next eruption following an uptick in activity about a month ago. The country is in a state of emergency, and thousands of people ...

Add Yahoo as a preferred source to see more of our stories on Google. Steam erupts from Mount St. Helens in this 2004 photo. Craig Mitchelldyer via Getty Images The social media account for the Mount ...

PORTLAND, Ore. — The body of an experienced Mount St. Helens climber has been recovered from the crater of the volcano. The Skamania County Sheriff's Office said Monday that the body of 42-year-old ...