Alan Hovhaness captures the buildup, cataclysm and aftermath of the spectacular eruption of Mount St Helens in his Symphony No. 50. We'll experience it during our music this evening beginning at 8 p.m ...

The story you're about to see is something truly special, because beneath the ash that fell from Mount St. Helens on May 18th, 1980, are clues to some mysteries that have never been fully solved. So ...

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 ...

ST HELENS, Wash. — It may look a bit like it, but Mount St. Helens is not erupting Tuesday morning. The ash you can see blowing around the volcano is actually remnants of the infamous 1980 eruption.

Mount St. Helens in Washington State was once the "Mount Fuji of America"—admired for its symmetrical cone shape similar to Japan's highest peak. It was a popular Pacific Northwest destination, ...

When Mount St. Helens erupted on May 18, 1980, it caused enormous devastation. The eruption triggered mudslides, an explosion, and plumes of ash that did enormous damage. The death of 57 people led to ...

National Weather Service (NWS) meteorologists in Portland, Oregon, assured people that Mount St. Helens was not erupting after clouds of ash became visible in the air. "The winds are slowly in the ...

Inside the Cascades Volcano Observatory in Vancouver, Wash., SALI the robot weighs small crucibles holding sediment. SALI stands for Sediment Analysis Laboratory Instrument. “This is the modern legacy ...