SEOUL, South Korea -- A light-water reactor at North Korea's main nuclear complex will likely be formally operational by next summer, South Korea's defense minister said, amid suspicions that the ...

Although to most the term ‘fission reactor’ brings to mind something close to the commonly operated light-water reactors (LWRs) which operate using plain water (H 2 O) as coolant and with sluggish, ...

SEOUL, South Korea (AP) — A light-water reactor at North Korea’s main nuclear complex will likely be formally operational by next summer, South Korea’s defense minister said, amid suspicions that the ...

SEOUL, South Korea (AP) — The U.N. atomic agency and outside experts say North Korea may have started operating a light-water reactor at its main nuclear complex in a possible attempt to establish a ...

TOKYO (Reuters) - North Korea is building an experimental light-water reactor at its Yongbyon nuclear facility, Kyodo news reported on Saturday, citing Siegfried Hecker, former chief of the Los Alomos ...

The administration has yet to convince Exelon, Duke Energy and other major utilities to commit to building large reactors ...

North Korea appears to be operating a more powerful reactor for producing plutonium at its main nuclear site for the first time, the United Nations atomic agency said late Thursday, days after ...

A second reactor at North Korea’s main nuclear power facility appears to be operational for the first time, according to the UN watchdog and experts. It would mean North Korea has a new source to ...

Iran is willing to make changes to the nuclear reactor it is building near the city of Arak, 180 miles southwest of Tehran, that would make it more difficult to produce fuel for a nuclear weapon, the ...

SEOUL — A light-water reactor at North Korea’s main nuclear complex will likely be formally operational by next summer, South Korea’s defense minister said, amid suspicions that the North may use it ...