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’ ...

Add Yahoo as a preferred source to see more of our stories on Google. This story was originally published on MyNorthwest.com. What is that coming out of Mount St. Helens? Is it ash? The National ...

Residents of the Pacific Northwest often cast a wary eye toward Mount St. Helens, but airborne ash this week isn’t a sign of a new eruption. That’s according to the U.S. Geological Survey, which ...

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 ...

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 ...

Growth of the new lava dome inside the crater of Mount St. Helens has gradually slowed and become less steady since it began in early October, scientists from the Cascade Volcano Observatory said ...

SEATTLE - Scientists studying Mount St. Helens say small earthquakes have started rumbling more frequently beneath the volcano in recent days, though they're not sure what it means. Some scientists ...

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, ...