Japan has failed to mention 640 kilograms of unused plutonium in its reports to the International Atomic Energy Agency (IAEA) in 2012 and 2013. An official in Japan’s Atomic Energy Commission said on Saturday that the 640 kg was part of the plutonium-uranium mixed oxide fuel, known as MOX, that was placed in an offline reactor at the time and was considered as being used. The MOX fuel was loaded... 

Asia Weekly, a Hong Kong-based news outlet, is reporting that Japan is secretly developing a nuclear weapons program in response to increasing hostilities with China over the East China Sea dispute. According to the report, paraphrased by the Want China Times, “With the capability to build at least 2,000 nuclear warheads, Japan has recently demanded the United States return 300 kilograms of plutonium.... 

U.S. experts say that North Korea, despite all bans, has launched the plutonium reactor again. According to the US-Korean Institute, recently taken satellite pictures show the white steam rising from the building with turbines and generators at Yongbyon. Pyongyang previously announced its intention to renew the program for the production of weapons-grade plutonium, which was suspended in accordance...