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’ ...

MT. ST. HELENS - Volcanic rock has flowed to thesurface of Mount St. Helens' crater, creating a new lava dome afterweeks of seismic activity, a geologist said Tuesday. Scientists had known for days ...

VANCOUVER, WASH. - If lava continues to pile up inside the blasted crater of Mount St. Helens at the current rate, the volcano could rebuild its summit in about 10 years. Geologists say it's unlikely ...

YAKIMA, Wash. — A dome by any other name would erupt so strong. But, alas, what's in a name might have tormented Shakespeare as it has even the most savvy of scientists. It's been called the ‘‘blister ...

MOUNT ST. HELENS, Wash. - Part of the lava dome in Mount St. Helens' crater has risen 10 to 30 feet in the past day, on top of 250 feet in the past week, U.S. Geological Survey scientists said Friday.

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, Wash. (AP) -- The lava dome in Mount St. Helens' crater apparently is growing, possibly a new sign of an impending eruption, but a major explosion doesn't seem likely, a top volcano ...