A volcanic eruption has rocked southern Japan, sending an ash cloud soaring 2,800metres into the sky a day before a prophecy said a 'mega disaster' would hit. Japan's Meteorological Agency is now ...

Olympus Mons, a shield volcano on Mars, is the largest volcano in the solar system, measuring approximately 370 miles in diameter and 26 kilometers in height. The formation of Olympus Mons and three ...