The Chernobyl core inlet paradox explained. A nuclear engineer reacts to That Chernobyl Guy and explores the reactor physics ...

The Chernobyl disaster occurred when technicians at the power station, near Pripyat in the north of Ukraine, then part of the Soviet Union, ran a test on reactor number four to simulate shutting it ...

Forty years after Chernobyl, Moscow faces another information battle over a suspected case of pneumonic plague.

The world's worst nuclear disaster began 40 years ago at 1:23 a.m. on April 26, 1986, when Unit 4 at the Chernobyl nuclear power generation facility experienced an explosion and meltdown. Ironically, ...

PRIPYAT, Ukraine — The two explosions at the Chernobyl nuclear power plant came decades apart in the dead of night. The first, at 1:23 a.m. on April 26, 1986, spread a cloud of deadly radiation that ...

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 ...

VAUX-DE-CERNAY, France -- Foreign ministers from the Group of Seven (G7) are discussing a major effort to repair damage to the protective shelter at Ukraine's Chernobyl nuclear power plant, with costs ...