New research offers clues as to why Mount St. Helens is one of the most explosive volcanoes in the Cascade range and why it stands apart from the chain of other Cascade volcanoes. Scientists from the ...

Residents of the Pacific Northwest often cast a wary eye toward Mount St. Helens, but airborne ash this week isn’t a sign of a new eruption. That’s according to the U.S. Geological Survey, which ...

Washington state may not have to worry about hurricanes, but it is volcano country. The United States has 161 active volcanoes – all in the western U.S. – but only 18 are classified as a "very high ...

Here in western Montana, we are used to preparing for severe weather and winter storms, but there is another natural threat ...

Mount St. Helens road rebuild is starting three years after a landslide.

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. Today in History: May 7, Nazi Germany surrenders Hey, San ...

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’ ...

The 1980 eruption cycle made Mount St. Helens one of the most famous and now best-monitored volcanoes in the Cascades. But it is far from the only volcano in the range. From southern British Columbia ...

Add Yahoo as a preferred source to see more of our stories on Google. Jan. 3—Registration is still open for the Mount St. Helens Institute's 12-week Volcano Naturalist Program, which runs Feb. 4 to ...