Add Yahoo as a preferred source to see more of our stories on Google. Control panel for Reactor 4 of the dilapidated Chernobyl Nuclear Power Plant - Tkachuk/Getty Images As we reach the 40-year ...

A single person pressing the wrong button set off the nuclear catastrophe which shocked the globe and contaminated thousands of homes with radioactive material. In the early morning of April 26, 1986, ...

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 ...

Photographs from the first days of the Chernobyl disaster and of the aftermath years later show the response, the evacuation and the long-term consequences of the world’s worst nuclear accident. In ...

All of the Chernobyl reactors were shut down in 2000. Reactor No. 4 was sealed under a sarcophagus and is surrounded by a nearly 20-mile exclusion zone. The damaged reactor will stay radioactive for ...

As we reach the 40-year milestone of the 1986 Chernobyl nuclear disaster, few things have captured the public's angst and imagination quite like Chernobyl. In the intervening years, Chernobyl has ...