Add Yahoo as a preferred source to see more of our stories on Google. Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes ...

Mount Shasta has sent more than 70 mudflows down its flanks in the last 1,000 years alone, according to the United States Geological Survey, a pace that has nothing to do with the volcano’s quiet, ...

A group of amateur hikers put their faith in AI to conquer California’s notoriously dangerous Mount Shasta, only to wind up stranded thousands of feet up the volcano and in need of rescue. The three ...

Our western volcanoes : an overview -- Plates in motion : the ring of fire, hot spots, and supereruptions -- Magma and mountains : how volcanoes erupt and the landforms they build -- Glaciers on ...