U.S. Geological Survey volcanologist Seth Burgess overlooks Clear Lake and Mount Konocti, the largest peak in the Clear Lake ...

Pinning down early human evolution is challenging. However, ancient eruptions in East Africa might provide some answers.

New research suggests that a mystery platinum signature found in Greenland’s ice may have come from a volcanic eruption in Iceland.

Twelve years ago, a volcanic eruption almost totally wiped out life on an island in the Pacific. Now, in the wake of the devastation, scientists are using genetic analysis to see how flora managed to ...

Visiting the Crowley Lake Stone Columns can be an arduous trip, but the destination is worth the effort if you are physically capable.

On the morning of May 18, 1980, the most destructive volcanic eruption in United States history killed 57 people in ...

“Volcanic Ash from the 1980s is being lofted back into the air from the strong east winds,” NWS Portland said. The Cascades ...

No, Mount St. Helens is not erupting. What you are seeing in the Pacific Northwest today is actually remnants of an event ...

Residents in Southwest Washington and Oregon looked twice Tuesday morning when webcams showed a thick cloud of ash swirling ...

Ash from the catastrophic 1980 eruption of Mount St. Helens began to swirl around the volcano this week, creating a smoky ...

Ash from the catastrophic 1980 eruption of Mount St. Helens began to swirl around the volcano this week, creating a smoky haze that obscured its summit.