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.

Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes behind thick, shifting layers of volcanic gas and ash. Visitors snap ...

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 ...

Forty-five years ago on May 18, 1980, Mount St. Helens in the state of Washington violently erupted. Here’s a look at volcanoes, then and now. The 1980 Mount St. Helens eruption began with a steady ...

SKAMANIA COUNTY, Wash — Sunday marked 45 years since Mount St. Helens erupted, sending ash, lava, mud and debris flowing down the mountainside. Fifty-seven people were killed. To this day, it is still ...

Hidden away in east Vancouver, in an unassuming red brick building nearly identical to dozens of other office buildings dotting the city’s landscape, Emily Montgomery-Brown works to unlock the ...

When Mount St. Helens erupted on May 18, 1980, it caused enormous devastation. The eruption triggered mudslides, an explosion, and plumes of ash that did enormous damage. The death of 57 people led to ...

MOUNT ST. HELENS NATIONAL MONUMENT, Wash. Mount St. Helens blew off some steam Monday, thrilling hundreds of visitors who had gathered below the peak, but scientists expected a larger eruption from ...