New seismic imaging shows magma lingering beneath quiet Cascade volcanoes, shaping how scientists monitor and plan for eruptions.

William “Bill” Earl Harrison of Lawrence, Kansas, passed away on November 8, 2025. He was preceded in death by his parents, Thomas Otto and Macie Beatrice Harrison, and his siblings, Frances DuRee, ...

The U.S. Army Corps of Engineers is set to start raising a dam used to catch millions of tons of Mount St. Helens sediment that flows each year from the mountain into the Toutle, Cowlitz and Columbia ...

Deep beneath Kīlauea’s summit, a new pattern of shaking is rippling through the rock, replacing the dramatic lava fountains that drew crowds with a subtler but more telling signal. Instead of fire in ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Did you know the Ring of Fire, a horseshoe-shaped zone around the Pacific Ocean, has about 750 to 915 active or dormant volcanoes? This is roughly two-thirds of all volcanoes worldwide. The Ring of ...

ABSTRACT: The Toumodi-Fetêkro region, located in the heart of the Ivorian Paleoproterozoic domain, has been the subject of numerous petrographic, structural, and geochemical studies aimed at ...

ABSTRACT: The Toumodi-Fetêkro region, located in the heart of the Ivorian Paleoproterozoic domain, has been the subject of numerous petrographic, structural, and geochemical studies aimed at ...

Mount St. Helens looked like it might be erupting again. Commercial pilots flying in the area Tuesday reported clouds of fine volcanic ash rising into the air above the collapsed dome of the Cascades’ ...

(CNN) — 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 erupting again. But fortunately, this was not an eruption — just a ...