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

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 dead of night 40 years ago on April 26, 1986, nothing seemed out of the ordinary at the now abandoned Chernobyl nuclear power plant. Engineers were carrying out safety tests on Reactor 4 – ...

On April 26, 1986, Soviet engineers at the Chernobyl nuclear power plant were conducting a safety test. Doomed by a fatal design flaw and pushed to the limit by human negligence, reactor 4 exploded ...

The 1986 Chernobyl nuclear disaster fueled global fears about nuclear energy and slowed down its development in Europe and other regions.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Although the accident occurred north of Kyiv, Ukraine, near the border with Belarus, ...

Add Yahoo as a preferred source to see more of our stories on Google. A German security guard checks for radiation after the Chernobyl accident in April 1986. Patrick Piel/Gamma-Rapho via Getty Images ...

The Chernobyl disaster began during a failed safety test at Reactor 4 in 1986, triggering an explosion and radioactive ...