Hidden in the Pacific, two very different volcanoes are forcing scientists to rethink what counts as “biggest.” Tamu Massif, a shield-like giant buried beneath the northwest Pacific, spent years ...
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 ...