A vote on whether to build a second nuclear power plant in Bulgaria, the EU member's first referendum since the end of communism in 1989, looked set to fail Sunday because of insufficient turnout.
The largest nuclear power plant in the world may be forced to shut down under tightened rules proposed by Japan's new nuclear watchdog aimed at safeguarding against earthquakes.
North Korea's sole major ally China will decrease aid to Pyongyang if it goes ahead with a planned nuclear test, state-run media said in an unusually frank warning on Friday.
More than two months after US President Barack Obama's re-election opened the way for new six-power nuclear talks with Iran, no date or location for their first meeting since June has been set.
Polls indicate that Bulgarians will on Sunday vote "yes" to a second nuclear power plant in a referendum, in a closely watched contest between the government and the opposition ahead of elections in July.
North Korea said Thursday it planned to carry out a third nuclear test and more rocket launches aimed at its "arch-enemy" the United States in response to tightened UN sanctions, but offered no timeframe.
A defiant North Korea on Wednesday condemned a new round of UN sanctions and hinted it might carry out a nuclear test, while ruling out a resumption of talks on denuclearising the Korean peninsula.
Experts from the International Atomic Energy Agency (IAEA) arrived in Tehran early Wednesday to try resolve long-running differences with Iran over its controversial nuclear programme.
The top US diplomat for East Asian affairs warned North Korea on Wednesday against any "provocative" act, as concerns grow that Pyongyang might be preparing a nuclear test.
Tehran hosts the UN atomic agency for talks on Wednesday, marking the start of a new and perhaps last-ditch diplomatic push aimed at resolving the crisis over Iran's nuclear programme peacefully.
A North Korean official has apparently told Chinese authorities that the communist state is planning to conduct a third nuclear test in the coming week.
A fire broke out at a nuclear research reactor in Sydney Tuesday, but authorities said the blaze was brought under control and there appeared to be no damage to the reactors.
China has resumed construction on a "fourth generation" nuclear power plant, suspended after the 2011 Fukushima disaster, which will be its biggest-ever nuclear facility.
Japan's new prime minister Shinzo Abe has voiced his willingness to build new nuclear reactors, reports said Monday, despite widespread public opposition to atomic energy in light of the Fukushima crisis.
The clean-up at Fukushima after its tsunami-sparked nuclear meltdowns is unlike anything humanity has ever tried, Japan's prime minister said Saturday during a tour of the plant.
A team from the UN atomic watchdog led by chief inspector Herman Nackaerts arrived early Thursday for talks with nuclear officials on Iran's controversial nuclear programme.