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 ...

Through all of those changes, Amboy Crater - the large black cinder cone volcano that looms over Amboy and Route 66 - has ...

LOS ANGELES — A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San ...

Jupiter's moon Io stands alone among the solar system's moons. It has more than 400 active volcanoes, and its surface is home ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. HONOLULU (AP) — Kilauea volcano began ...