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 ...

Forty-five years ago on May 18, 1980, Mount St. Helens in the state of Washington violently erupted. Here’s a look at volcanoes, then and now. Today in History: March 31, singer Selena shot to death ...

Is it getting ready to rock? Mount Saint Helens in Washington, which notoriously and cataclysmically erupted in 1980 and had its ash reach Montana, has been showing major signs of constant activity ...

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

Some Pacific Northwesterners woke Tuesday to an unusual sight: A smoky haze shrouded Mount St. Helens, the large, active stratovolcano in Washington state that erupted catastrophically in 1980. But a ...

Add Yahoo as a preferred source to see more of our stories on Google. May 18 marks the 45th anniversary of the catastrophic eruption of Mount St. Helens in southwestern Washington. The blast in 1980 ...

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’ ...