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’ ...

MOUNT ST. HELENS, Wash. (AP) - A new lava dome is growing on Mount St. Helens, with volcanic rock reaching the surface of the crater after weeks of seismic activity, scientists said Tuesday.

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 ...

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 ...

Mount St. Helens continued to reveal its inner self yesterday as additional glowing lava pushed to the surface in the volcano's crater. The hot rocks -- incandescent and solid, not ropy, red liquid ...

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, 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 ...

MOUNT ST. HELENS, Wash. -- Mount St. Helens vented more steam Monday as new thermal images revealed that parts of the lava dome in its crater are piping hot, a sign that magma continues to rise within ...

SEATTLE - The stone "fin" on the new lava lobe inside the crater at Mount St. Helens seems to be starting to split, scientists reported Friday. The fin, which is about 200 feet tall and 300 feet wide, ...