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 ...

SEATTLE -- The molten rock rising inside Mount St. Helens is giving the peak an eerie red glow at night. Lava has been climbing to the surface at nearly 1,300 degrees for the past few days in a ...

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 ...

When Mount St. Helens erupted on May 18, 1980, the landscape changed in an instant—the geologic version of an instant, anyway. It was the deadliest eruption the United States had ever seen, leveling ...

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’ ...

In the shadow of Mount St. Helens’ summit, 20 girls spent a week studying pumice, ash and lava at a GeoGirls camp. The famous Washington volcano served as a base camp for middle and high school girls ...

SKAMANIA COUNTY, Wash. — Hundreds of small-magnitude earthquakes registered below Mount St. Helens could indicate that the volcano is going through "recharge" - a process where additional magma ...

Add Yahoo as a preferred source to see more of our stories on Google. Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes ...

The sharp, “toxic”-seeming odor that residents throughout southwest Washington and into Oregon smelled on September 22-23 remains a mystery. But the process of elimination continues. Large industries ...