Science - Nuclear Weapons

UNITED NATIONS - The United States, Britain and France warned Thursday that Iran risks increased sanctions unless it immediately complies with a series of Security Council resolutions regarding its nuclear program. Full Story »

UNITED NATIONS (Reuters) - The United States, Britain and France warned Iran on Thursday that it may face new sanctions over its nuclear program, but Russia and China hinted that they were not convinced more punitive steps were needed. Full Story »

BRUSSELS - World powers trying to end a standoff over Iran's nuclear program are weighing whether to meet next week to discuss tougher measures, a European Union official said Thursday as Russia reiterated its reluctance to agree to new sanctions. Full Story »

WASHINGTON (AFP) - US Secretary of State Hillary Clinton said Thursday that it was just a matter of time before Russia and the United States concluded a new deal on reducing their nuclear arsenals. Full Story »

OSLO (Reuters) - U.S. President Barack Obama acknowledged criticism of his Nobel Peace Prize on Thursday but said he hoped it would subside if he succeeded in his goals, including cutting nuclear weapons and tackling climate change. Full Story »

MOSCOW - The failure of a new Russian intercontinental ballistic missile during testing was the cause of spectacular spiraling blue lights in the skies over northern Norway, analysts said Thursday. Full Story »

SEOUL (Reuters) - The U.S. envoy for North Korea failed to secure a firm commitment from the isolated state to resume nuclear disarmament talks but said on Thursday he had won assurances that Pyongyang supports the languishing deal. Full Story »

Seoul, South Korea - President Obama's envoy on North Korea has apparently gotten nowhere in bringing North Korea back to six-party talks on giving up its nuclear weapons – a sign of just how difficult it will be to pick up the pieces of the process after a year's hiatus. Full Story »

WASHINGTON (AFP) - The United States and Russia said they were closing in on a successor arms reduction treaty that would further slash their nuclear arsenals and put their relations on a more solid footing. Full Story »

MOSCOW (AFP) - The new nuclear-capable missile central to Russia's plan to revamp its ageing weapons arsenal has suffered a new failure in testing, in a major blow for the armed forces, reports said Thursday. Full Story »

TEHRAN (Reuters) - Iran would strike back at Israeli weapons manufacturing sites and nuclear installations if the Jewish state attacked the Islamic Republic's nuclear facilities, Defense Minister Ahmad Vahidi was quoted as saying Wednesday. Full Story »

TEHRAN (AFP) - An Iranian nuclear scientist who went missing in Saudi Arabia has been "handed over by Riyadh to Washington," Mehr news agency reported on Tuesday, quoting Tehran's foreign ministry spokesman. Full Story »

MULTAN, Pakistan - A team of militants launched a gun, rocket and suicide attack on an intelligence office in central Pakistan on Tuesday, killing 12 people in a strike that showed the insurgents can hit deep in the heart of the country. Full Story »

SEOUL (AFP) - A US envoy arrived in North Korea Tuesday to try to coax it back to nuclear disarmament negotiations, in what will be the first high-level dialogue between the Obama administration and the communist state. Full Story »

ISLAMABAD (Reuters) - Bombers struck in two Pakistani cities on Monday killing 43 people and wounding more than 100 as the Supreme Court began a hearing that could deepen political tension in the nuclear-armed country. Full Story »

ISLAMABAD (Reuters) - Pakistan's top court began hearing challenges on Monday to an amnesty order that could deepen political tension in a nuclear-armed country already facing pressure to fight Taliban militants on several fronts. Full Story »

MOSCOW (AFP) - Top Russian and US officials held talks in Moscow Monday dealing with the expired START nuclear weapons treaty, and a new deal could be reached by December 18, according to a Russian newspaper. Full Story »

ISLAMABAD (Reuters) - Pakistan's top court began hearing challenges on Monday to an amnesty order that could deepen political tensions in a nuclear-armed country already facing pressure to fight Taliban militants on several fronts. Full Story »