USGS says no eruption at Mount St. Helens after winds picked up old ash Thursday, sending it to 12,000 feet and drifting northwest.

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 ...

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, ...

Urgent warnings were issued after hazardous volcanic ash was detected billowing from Mount St Helens, deemed America's deadliest volcano.

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

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

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 ...

SKAMANIA COUNTY, Wash. — Forty-six years ago today, Mount St. Helens unleashed one of the most devastating volcanic eruptions in United States history, transforming the Pacific Northwest landscape in ...

Forty-six years ago today, Mount St. Helens erupted and unleashed a catastrophic landslide and mudflows that led to the deaths of 57 people. It happened at 3:47 p.m. on Thursday, March 20th, 1980, and ...