SOMA, Japan - Water levels dropped precipitously Monday inside a Japanese nuclear reactor, twice leaving the uranium fuel rods completely exposed and raising the threat of a meltdown, hours after a ...

— -- Since the 1979 Three Mile Island accident, there have been 18 "significant precursors," or equipment failures, at U.S. nuclear plants that sharply raise the chance of a reactor core meltdown ...

The pedestal is directly under the reactor's core. Officials hope to film the core's bottom to find out how overheated fuel dripped there in 2011. About 880 tons of highly radioactive melted nuclear ...

Three Mile Island brings back memories of the horrors of a nuclear accident. The event occurred near Harrisburg (Pa.), in March of 1979. The Unit 2 reactor core partially melted down when equipment ...

FILE PHOTO: Three Mile Island nuclear plant incident - President Jimmy Carter, second from left, visits the nuclear plant near Harrisburg, Pa., USA, April 4, 1979. Former President Jimmy Carter ...

ATLANTA — In a 1952 episode that has taken on legendary status in recent years, Jimmy Carter -- then a young Naval lieutenant -- helped play a leading role in cleanup efforts at the world's first ...

The site of Ukraine's defunct Chernobyl nuclear plant -- partially destroyed in a 1986 meltdown -- lost power on Wednesday after ... the confinement structure housing the plant's damaged reactor core, ...

Fukushima, Three Mile Island, and Chornobyl—these are the three lasting images that remain in the public eye when people think of commercial nuclear energy and the consequences that occur when things ...

VIENNA (Reuters) - Any partial meltdown of nuclear fuel in a quake-hit power plant in Japan "is not a disaster" and a complete meltdown is unlikely, a German industry expert said on Sunday. Robert ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...