On April 26, 1986, a fire and explosion at the Soviet Union's Chernobyl nuclear reactor north of Kiev, Ukraine, resulted in ...

In the early hours of 26 April 1986, Reactor 4 at the Chernobyl Nuclear Power Plant exploded after a planned safety test went catastrophically wrong. The Chernobyl disaster was the result of a chain ...

A nuclear explosion creates immediate and long-lasting dangers, including intense heat, blast pressure, and radiation.