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.

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

In recent years, predictive technologies for volcanic eruptions have advanced significantly, particularly with the ...

Commercial pilots reported seeing ash in the vicinity of the mountain, the site of the infamous eruption of May 18, 1980, ...

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

For a moment, it seemed like a blast from the past: a plume over Mount St. Helens on Tuesday looked like the volcano might be ...

Commercial pilots flying near Mount St. Helens reported a plume of fine ash rising over the volcano. USGS says it's a ...

Strong winds across parts of Washington state have kicked up volcanic ash deposited during the 1980 Mount St. Helens eruption ...

Learn more about the volcanic island of Nishinoshima and how its frequent eruptions are helping scientists understand how ...

An underwater volcano off the coast of Oregon is gearing up for an eruption, according to scientists who are monitoring for ...

Researchers at Diamond Light Source have used advanced imaging to look at microscopic crystals, called nanolites, to see what ...

How did humans become human? Understanding when, where and in what environmental conditions our early ancestors lived is ...