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

Add Yahoo as a preferred source to see more of our stories on Google. No, Mount St. Helens is not erupting. What you are seeing in the Pacific Northwest today is actually remnants of an event nearly ...

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 ...

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 ...

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.

Folks in the Northwest shouldn't panic: Mount St. Helens is NOT erupting, government scientists said on Sept. 16. The concern arises because commercial pilots reported seeing ash in the vicinity of ...

A small explosion of rocks, ash and steam could occur within the next few days within the crater of Mount St. Helens, where earthquake activity has been steadily building for nearly a week, scientists ...

A short-lived experiment in the wake of the Mount St. Helens eruption has produced effects still visible 43 years later. By placing tiny creatures on barren volcanic ground, scientists unintentionally ...

COLFAX, Wash. — On May 18, 1980, Mount St. Helens erupted, sending ash to 11 different states and two Canadian provinces. After the eruption came the monumental task of removing the ash from roads, ...

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’ ...