A 12,000-foot volcanic ash cloud from Mount St Helens led to urgent aviation warnings in Washington. Winds, not an eruption, stirred old ash, and officials are monitoring conditions closely for pilots ...

Mount St. Helens remained in a normal, non-eruptive state, yet ash above the Washington volcano still climbed to approximately 12,000 feet and triggered warnings for pilots. The October 15 event ...

Add Yahoo as a preferred source to see more of our stories on Google. Today marks 46 years since Mount St. Helens erupted, claiming 57 lives. The U.S. Geological Survey (USGS) remembered those lost, ...

Mount St. Helens is a volcano located in southwestern Washington state. It’s the most active volcano in the Cascade Range, a mountain range that extends from British Columbia through Washington and ...

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 ...

Beavers are a keystone species, and these busy little builders have time and again proven their ability to transform the landscape for the better.

Scientists’ experiment on Mount St. Helens suggests rodents can deliver fungi that plants need, but the repair crew has an ...

The May 18, 1980, eruption of Mount St. Helens remains the deadliest and most destructive volcanic event in U.S. history, claiming 57 lives and flattening 230 square miles of forest. The blast sent a ...

A documentary tells the story of Robert Landsburg, the photographer who died shielding his camera and film while capturing ...

At 8:32 a.m. PDT on May 18, 1980, Mount St. Helens, a volcanic peak in southwestern Washington, suffers a massive eruption, killing 57 people and devastating some 210 square miles of wilderness.

Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m. on May 18, 1980, following months of small explosions and earthquakes.