After the explosion of reactor number four at the Chernobyl nuclear power plant in April 1986, the Soviet Union launched an enormous emergency response. Thousands of workers, soldiers, and specialists known as “liquidators” were sent to contain the disaster.

26 April marks the 40th anniversary of the Chernobyl disaster, in the then Soviet-controlled country of Ukraine. In 1986, one of the power plant's reactors suffered an explosion, sending a radioactive plume across Europe. The effects were devastating and ...

“I was in a state of near-shock,” says Volodymyr Kholosha as he recalls the moment that he first saw the burnt-out reactor at the Chernobyl Nuclear Power Plant on the day it exploded. “What I witnessed that day defied every scenario we had ever practised

(April 26), a safety test at the Chernobyl Power Plant in Ukraine set off two explosions, triggering the world’s biggest nuclear disaster. However, it could have been worse had it not been for the heroism of three men — Alexei Ananenko,

There's an object so deadly that even standing next to it can kill you within minutes. It's also completely man-made and only exists in a single place on Earth.

Fighting near historic disaster zones can quickly transform an ordinary battlefield into a matter of global concern. A recent military strike has rattled a highly sensitive facility linked to Europe’s worst nuclear disaster,