The largest single volcano found on Earth lay quietly hiding in the depths of the Pacific Ocean, about 1,000 miles east of Japan, having been extinct for millions of years. Scientists have discovered ...

At 8:32 a.m. on May 18, 1980, Mount St. Helens erupted with explosive force—the largest volcanic event in U.S. history. A 5.1-magnitude earthquake triggered a massive landslide that tore away the ...

Capulin Volcano National Monument just east of Raton, NM, is celebrating International Observe the Moon Night on Saturday, Sept. 14. The day is organized by NASA and is intended to raise awareness of ...

At the foot of an ancient volcano and surrounded by breathtaking mesas, canyons, and mountain trails, Los Alamos, New Mexico, ...

A new volcano that has been belching smoke and bad smells on San Benedicto Island, off the west coast of Mexico, probably blew its top two months ago. In July the Navy SOFAR (sound fixing and ranging) ...