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 ...

Add Yahoo as a preferred source to see more of our stories on Google. When Mount St. Helens erupted on May 18, 1980, it caused enormous devastation. The eruption triggered mudslides, an explosion, and ...

Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m. on May 18, 1980, following months of small explosions and earthquakes.

Mount St. Helens looked like it might be erupting again. Commercial pilots flying in the area Tuesday reported clouds of fine volcanic ash rising into the air above the collapsed dome of the Cascades’ ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Jan. 3—Registration is still open for the Mount St. Helens Institute's 12-week Volcano Naturalist Program, which runs Feb. 4 to ...

And although those volcano eruptions are not part of a trend, experts have said, the volcanoes in question are far from the ...