A towering wall of fire brightened the night sky over the Caspian Sea on Sunday due in part to a unique geologic formation. Just after sunset on July 4, a large explosion and fireball could be seen ...
A webcam at Yellowstone National Park has captured a so-called dirty explosion throwing a mix of superheated water, mud, and anything else handy 10-12 meters (30-40 feet) into the air above Black ...
On May 29, 2006, mud and steaming hot water squirted up in a rice field in Sidoarjo, East Java, marking the birth of the world's most destructive mud volcano. Stringer / Indonesia / Reuters / Corbis ...