The gophers did not let anyone down. Within just six years of their introduction to Mount St. Helens, 40,000 plants were ...

NISAR is the first satellite equipped with radar instruments operating at two different wavelengths.

It was small by volcanic standards, but massive by human ones: on this day in 1980, Mount St. Helens erupted in what the ...

When volcanoes erupt and ecosystems are under threat, most people wouldn't think of calling in a garden pest for help, but ...

Add Yahoo as a preferred source to see more of our stories on Google. When Mount St. Helens erupted on May 18, 1980, it caused enormous devastation. The eruption triggered mudslides, an explosion, and ...

VANCOUVER, Wash. (KPTV/Gray News) - Mount St. Helens, which notoriously erupted in 1980, has been showing signs of increased seismic activity lately, according to the U.S. Geological Survey. It’s ...

The most destructive volcanic eruption in United States history happened less than half a century ago in Washington state. On May 18, 1980, the north side of Mount St. Helens, in southwestern ...

An experienced climber was found dead on Saturday inside the crater of Mount St. Helens, a volcano in Washington state that draws hikers, skiers and snowboarders year-round. Officials say he was ...

Editor's note: This story was originally published in May 2018. Peggy Short-Nottage and her husband joined sightseers rushing to Mount St. Helens when volcanic activity escalated in the spring of 1980 ...