Yellowstone National Park sits atop one of the most studied volcanic systems on Earth, and the question of what a full-scale caldera-forming eruption would do to the United States draws enormous ...

(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.

Satellite images have captured a rare volcanic eruption that occurred Sunday at Ethiopia’s Hayli Gubbi volcano, sending towering ash plumes toward Yemen and Oman. The eruption is the first recorded ...

An ongoing explosive eruption at Kanlaon Volcano in the Philippines produces a dark gray ash plume that rises 2,000 meters ...