Three US nuclear power reactors remained shut down and a fourth on alert Tuesday after Hurricane Sandy wreaked havoc with transmission networks and high waters threatened cooling systems.
Kazakhstan Oil and Gas Minister discussed opening a training center for physical nuclear security with U.S. Deputy Secretary of Energy in the United States.
Iran and the United States both denied any deal had been reached for one-on-one nuclear talks, as The New York Times reported -- even though the White House said it was open to such a dialogue.
The United States and Israel are set to launch a major military exercise in a show of unity aimed at Iran, despite friction between American and Israeli leaders over how to counter Tehran's nuclear ambitions.
The head of a hard-hitting panel that blamed cultural factors for the Fukushima nuclear disaster voiced hope Tuesday that the tragedy would help open up Japan's system of government.
Iran is still "a good way away" from acquiring a nuclear weapon, US Vice President Joe Biden said Thursday, insisting the United States would stop Tehran before it was too late.
Iran could produce enough weapons-grade uranium to make an atomic bomb within two to four months and then would need an additional eight to 10 months to build the device.
U.S. Secretary of State Hillary Clinton praised Kazakhstan's role as a global leader and Washington's strategic partner in non-proliferation, disarmament and security.
Iran will press on with its nuclear programme despite the problems caused by Western sanctions, including a dramatic slide in the value of its currency.
The leaders of Israel and the Palestinian Authority both address the UN on Thursday, one seeking recognition for his state, the other warning of a dire threat to his.
Iran on Thursday vowed to "retaliate" against any attack after Israel's prime minister called for a "red line" to prevent the Islamic republic from acquiring a nuclear bomb.
Iran's President Mahmoud Ahmadinejad accused the West and Israel of nuclear "intimidation" on Wednesday, after US President Barack Obama vowed to halt Tehran's alleged weapons program.
Western and Arab leaders ramped up the pressure on Syria and Iran at the United Nations on Tuesday, as US President Barack Obama vowed to keep Tehran from getting its hands on nuclear weapons.