Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes behind thick, shifting layers of volcanic gas and ash. Visitors snap ...

Scientists will tell you that Amboy Crater, a volcanic cinder cone out in the Mojave Desert, has been dormant for maybe 10,000 years, but that doesn’t take into consideration its 1959 eruption that ...