TOKYO (Reuters) - Japan on Tuesday raised the severity level of its nuclear crisis to put it on par with the 1986 Chernobyl accident, the world's worst nuclear power disaster. But for all their ...

Warnings are mounting over the structural integrity of the radiation shield at the Chernobyl nuclear power plant, with experts cautioning that a critical containment structure is at risk of collapse, ...

© Uncredited/Ukrainian Emergency Service/dpa On this photo provided by Ukrainian emergency services via AP, a searchlight illuminates a hole in the roof of the ...