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

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

Saturday marks the 44-year anniversary of Mount St. Helens' eruption in Washington. The blast on May 18, 1980, is the worst volcanic eruption in U.S. history, killing 57 people and spewing 520 million ...

Mount St. Helens had stood silent for over a century in Washington’s Cascade Range. But that changed 43 years ago Thursday when the sleeping giant woke up and erupted into Pacific Northwest history.

MOUNT ST. HELENS, Wash. - It was 43 years ago on May 18, that Mount St. Helens exploded to life, erupting in violent fashion, spewing towering clouds carrying 520 million tons of ash that choked the ...

SKAMANIA COUNTY, Wash. — Mount St. Helens erupted 40 years ago, on May 18, 1980, sending a plume of ash and smoke into the sky and claiming 57 lives on the ground. But for months leading up the ...

Add Yahoo as a preferred source to see more of our stories on Google. Peggy Short-Nottage and her husband joined sightseers rushing to Mount St. Helens when volcanic activity escalated in the spring ...

It’s been 45 years since an eruption occurred on the U.S. mainland. The May 18, 1980, eruption of Mount St. Helens in southern Washington claimed 57 lives and blasted the terrain of old-growth spruce ...

Add Yahoo as a preferred source to see more of our stories on Google. Don't panic: Mount St. Helens is not erupting. Officials confirmed on Sept. 16 that Mount St. Helens does have ash surrounding it ...

About 400 earthquakes have rumbled under Mount St. Helens since mid-July, the largest chain of shakes since the volcano finished erupting in 2008, the U.S. Geological Survey reported last week. Small ...