Once classified files from East Germany reveal the extent of Soviet actions to hide the true extent of catastrophe.

In the early hours of 26 April 1986, Reactor 4 at the Chernobyl Nuclear Power Plant exploded after a planned safety test went catastrophically wrong. The Chernobyl disaster was the result of a chain of critical errors — and its fallout was unprecedented.

Forty years after Chornobyl, the central truth is painfully clear. Nuclear safety cannot coexist with imperial violence. No occupation of a nuclear plant can ever be normal. No drone strike on a confi

Efrem Lukatsky, a Kyiv-based photographer for The Associated Press, was living in the city on April 26, 1986, when the explosion and fire struck the Chernobyl nuclear power plant, about a two-hour

In the initial aftermath of the nuclear power plant explosion, authorities told the bride's mother "not to panic" and that "all planned events in the city of Pripyat should go ahead"

Learn five key facts about the Chernobyl disaster, the world's worst nuclear crisis. Explore the 1986 explosion, the aftermath, and the plant's current thr

Nuclear weapons have shaped global politics for decades, but their destructive power is almost impossible to comprehend. From the bomb that devastated Hiroshima in 1945 to the Soviet Union’s abandoned plan for a 100 megaton superweapon,

There are two things we need to separate when we’re talking about nuclear issues in Iran: the first one is whether Iran has capabilities of developing nuclear weapons and highly enriched nuclear material it may still have; the second issue is about ...