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 ...
NASA has released its longest-ever time-lapse from the Chandra X-ray Observatory, capturing the expanding remains of Kepler’s Supernova, one of the most powerful stellar explosions ever witnessed by ...