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 ...

Forty years after the accident, some residents still refuse to leave, even after Vladimir Putin’s army occupied the area in ...

Forty years after the Chernobyl disaster, the effects of the world’s worst nuclear accident are still being felt.

Some historical events are so catastrophic they resist comprehension. And yet they compel us to try to understand them, again and again. Chernobyl is one of them. On April 26, 1986, at 1:23am, Reactor ...