Mount St. Helens continued the slow process of building a new lava dome in its crater yesterday with still more lava pushing to the surface, geologists reported. The new glowing pink rock adds to the ...

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 ...

A panoramic view of the south rim of Mount St. Helens, looking past the lava dome north toward Spirit Lake and Mount Rainier. Dean J. Koepfler The public is still able to visit multiple recreation ...

Forty-three years ago, a Plinian eruptive column rose into the sky and volcanic debris rapidly spewed from the volcano. This cataclysmic eruption, which occurred on May 18, 1980, is the most ...

This browser does not support the Video element. 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.

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 ...

MOUNT ST. HELENS -- For the climbing public, the curtain up goes next week on the third act of America's most fascinatingly dysfunctional mountain. It's anyone's guess how many more acts are to follow ...

YAKIMA, Wash. (AP) -- That whaddyacallit that's growing on Mount St. Helens -- what DO you call it? Even Shakespeare himself might have trouble figuring out what's in a name. It's been called the ...

VANCOUVER, Wash. — More than 400 earthquakes have been detected beneath Washington's Mount St. Helens in recent months, though there are no signs of an imminent eruption, according to the U.S.