In April 1986, the world changed forever when the Chernobyl nuclear disaster unfolded in what was then the Soviet Union. What began as a late-night safety test at Reactor No. 4 quickly turned into the ...

When Chernobyl’s reactor exploded, one helicopter pilot faced the unthinkable. Flying directly over a burning nuclear core, he risked his life to stop a second, far greater explosion.

Control panel for Reactor 4 of the dilapidated Chernobyl Nuclear Power Plant - Tkachuk/Getty Images As we reach the 40-year milestone of the 1986 Chernobyl nuclear disaster, few things have captured ...

The explosion at the fourth reactor of the Chernobyl Nuclear Power Plant in northern Ukraine on April 26, 1986, changed the lives of thousands of Soviet citizens. The plant was located 20 kilometres ...

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 ...

As a blue coach pulls up outside Chernobyl nuclear-power plant, friendly stray dogs approach it. It has passed through multiple Ukrainian military checkpoints—necessary since Russian troops briefly ...

On April 26, 1986, the world experienced the worst nuclear power plant disaster in history: the explosion and fire of reactor No. 4 at the Chernobyl nuclear power plant in Ukraine. The accident was ...

With the massive steam explosion that shredded the #4 RBMK reactor at the Chernobyl Nuclear Power Plant in 1986 it suddenly made robots that could survive a high ionizing radiation environment into ...

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 ...