From Taal Volcano's ash plumes to travel alerts, here's what travelers should understand about volcano risks and safety ...

Around the globe, volcanic giants continue their relentless dance with destruction and creation. These geological time bombs ...

It was the seventh volcano in four weeks for the French researcher and a team of volunteers from his hometown. In a scientific blitzkrieg through the Cascade Range, the 10 skilled mountaineers scaled ...

Unlike old soldiers, old volcanoes seemingly don't even fade away, much less die, with researchers discovering magma chambers under cones previously classed as dormant after thousands of years of ...

Scientists have begun a long overdue study of Glacier Peak in Snohomish County – the second most explosive volcano in the Cascades after Mount St. Helens – in what they hope will lead to badly needed ...

BEND, Ore. (AP) — A bulge near the prominent Cascade Range volcano known as South Sister has nearly stopped growing, scientists say. The uplift was spotted more than a decade ago and led scientists to ...

The Cascade Volcanic Arc stretches from Northern California to southern British Columbia and contains more than a dozen volcanoes. The U.S. Geological Survey classifies 11 of them, including Mount ...

Above Wenatchee, spires reveal volcanic history in 44-million-year-old rock. High above the city of Wenatchee, Washington, a group of spires made of a unique type of 44-million-year-old rock tell the ...