On October 30, 1961, the Soviet Union detonated the Tsar Bomba over Novaya Zemlya. At 50 megatons, it was the most powerful human-made explosion in history—so massive it shattered windows over 500 ...

The discovery emerged from satellite observations of the eruption plume. Scientists detected an unusually large cloud of formaldehyde, a compound that commonly forms when methane is broken down in the ...

111 years ago today, Lassen Peak had its most powerful explosion in a series of eruptions that occurred between 1914 and 1917. 111 years ago today, Lassen Peak had its most powerful explosion in a ...

The great hot blast of May 1915 roared down the northeast face of Lassen Peak carrying mud and debris 150 miles an hour for *** distance of 3 miles and left *** layer of mud on ranch land 25 miles ...