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 ...

Here’s what you’ll learn when you read this story: The Halifax Explosion killed 1,963 people and highlighted the dangers of large ships in narrow waterways. Like many shipwrecks and crashes, the ...