Science - Nuclear Weapons

VIENNA (Reuters) - Six world powers are demanding Iran immediately mothball a uranium enrichment site it hid for years in a resolution to be voted on by U.N. nuclear agency governors, calling it a message to Tehran to change its ways. Full Story »

VIENNA (Reuters) - The U.N. nuclear watchdog chief Thursday criticized Iran's blockage of a plan to divest it of possible nuclear bomb material as "disappointing." Full Story »

VIENNA (Reuters) - Iran's demand for changes to a nuclear fuel deal is unacceptable because it could mean Tehran keeping enough enriched uranium for possible use in an atom bomb, the U.N. nuclear watchdog chief said in an interview. Full Story »

VIENNA - The head of the International Atomic Energy Agency urged Iran on Wednesday to endorse a plan that would strip it of most of its enriched uranium, saying Tehran could not defuse fears about its nuclear program with proposals that included keeping the material. Full Story »

JERUSALEM - With cutting-edge anti-missile systems and two new submarines that can carry nuclear weapons, Israel is readying a new generation of armaments designed to defend itself against distant Iran as well as Tehran's proxy armies on its borders. Full Story »

VIENNA (Reuters) - Six world powers have drafted a resolution at the UN nuclear watchdog urging Iran to clarify the purpose of its previously secret uranium enrichment site and confirm it has no more hidden atomic work, diplomats said. Full Story »

WASHINGTON (Reuters) - U.S. negotiators working to conclude a new strategic arms treaty with Russia are discussing ways to continue nuclear weapons monitoring until the new accord can be ratified, a State Department spokesman said on Monday. Full Story »

BRASILIA, Brazil - Iran's president says it's up to his nation's judicial system to determine whether three American hikers detained in his country will be released or punished. Full Story »

SEOUL (AFP) - A group of US experts on Korean affairs will visit Pyongyang Saturday for talks with policy makers regarding North Korea's nuclear weapons programme, a news report said. Full Story »

ALBUQUERQUE, N.M. - An independent panel says the United States can extend the life of aging nuclear weapons for decades with existing programs, a finding that activists contend means there's no need for the nation to design replacements for the nuclear arsenal. Full Story »

BRUSSELS/BERLIN (Reuters) - Senior officials from six world powers said on Friday they were disappointed Iran had not accepted proposals intended to delay its potential to make nuclear bombs, and urged Tehran to reconsider. Full Story »

BRUSSELS (Reuters) - Senior officials from six world powers expressed disappointment on Friday that Iran had not accepted proposals intended to delay its potential ability to make nuclear bombs and urged Tehran to reconsider. Full Story »

Paris - A closed-door meeting of six world powers signaled growing impatience with Iran's inscrutability on its nuclear program, coming a day after US President Barak Obama in Asia said Iran would face "consequences" if it refused to show good faith. Full Story »

Istanbul, Turkey - Officially, Iran has not yet given a "final answer" to a nuclear fuel proposal from six world powers, the chief of the UN's nuclear watchdog, said on Friday. Full Story »

BRUSSELS (AFP) - Representatives from major world powers will meet in Brussels Friday to discuss developments with Iran's nuclear programme, EU foreign policy chief Javier Solana's office said Thursday. Full Story »

WASHINGTON - President Barack Obama will have scant time to rest up from his eight-day Asia trip. On Saturday, two days after his return to Washington, the Senate plans a make-or-break vote on his hard-fought plan to overhaul the nation's health care system. Obama also confronts a difficult choice on strategy and troop levels in Afghanistan, which will be criticized no matter what he decides. Full Story »

SEOUL (AFP) - President Barack Obama Thursday said Washington and its partners were now working on a package of steps to show Iran the consequences of its decision to snub a nuclear deal with the West. Full Story »

SEOUL, South Korea - President Barack Obama says the U.S. and its allies are working on ways to send a "clear message" to Iran on its nuclear program. Full Story »