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 ...

HONOLULU — The eruption of the Mauna Loa volcano on Hawaii's Big Island continues to ease, scientists said Sunday, reinforcing an earlier pronouncement that the mountain's first flare-up in nearly 40 ...

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 ...