If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.

(CNN) — A volcano in Ethiopia has erupted for the first known time in 10,000 years, spewing plumes of thick smoke and ash high into the sky and impacting air travel thousands of miles away in India.

(CNN) — A massive eruption at Mount Etna forced tourists to flee the volcano on Monday after a plume of high temperature gases, ash and rock “several kilometers high” billowed into the air above them, ...

(CNN) — An unknown volcano erupted so explosively in 1831 that it cooled Earth’s climate. Now, nearly 200 years later, scientists have identified the “mystery volcano.” The eruption was one of the ...

(CNN) — A volcano near Alaska’s most populous city could be on the brink of eruption after showing signs of unrest over the past 10 months, according to experts. Hundreds of small earthquakes have ...

At Thrihnukagigur ("Three Peaks Crater") you can take an elevator inside a volcano's magma chamber. Cave explorer Dr. Árni B Stefánsson discovered the chamber in 1974 and fought to open it to visitors ...