Of all the environmental disaster events that humans are capable of causing, nuclear disasters have the greatest damage potential. The radiation release associated with a nuclear disaster poses significant acute and chronic risks in the immediate...

Japan's latest and largest nuclear disaster—the world's worst since Chernobyl—happened in September 1999 at a nuclear fuel processing service firm in the small village of Tokaimura, 125 kilometers northeast of Tokyo in...

By far the worst nuclear accident in history started shortly after midnight on April 26, 1986, at the Chernobyl power plant in the Soviet republic of Ukraine. The facility had been built during the 1970s using a design that lacked some of the safety...

This article covers notable accidents involving nuclear devices and radioactive materials. In some cases, a release of radioactive contamination occurs, but in many cases the accident involves a sealed source or the release of radioactivity is small...

Could your lab deal with a nuclear accident? The phone rings. It's the emergency room with chilling news: A patient exposed to radiation just came in, and they're following the emergency policy for nuclear accidents. If you had answered this call,...

This year marks the 20th anniversary of the world's most notorious nuclear disaster. At 1:23 a.m. on April 26, 1986, the Number Four reactor at the Chornobyl* nuclear plant in northern Ukraine exploded and burned uncontrolled for 10 days, releasing over 100 times...