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 ...

Note: This is the fourth in a series of six Guest Opinions commemorating the Craters of the Moon National Monument Centennial. While southern Idaho’s vast Snake River Plain is lauded and renowned ...

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 ...

A powerful eruption of Mount Semeru in Indonesia has forced evacuations and sent a 54,000-foot ash cloud into the sky. The eruption, which occurred early this morning at 6:11 a.m. local time, has led ...