Oil prices surged on Friday as the UN's nuclear watchdog said Iran had significantly increased its production of higher-grade uranium over the past six months and had failed to dispel concerns that it was pursuing atomic weapons.
Iran's efforts to develop its nuclear program have been stymied by a raft of challenges from international sanctions and set back by the 2010 Stuxnet cyberattack, two new reports from a Washington nuclear think tank conclude.
Supporters of an Iranian opposition group announced Thursday that they have "exclusive" details on a major top-secret strategic nuclear enrichment site buried deep in a mountain northwest of Tehran, but U.S. government officials and nuclear experts are not convinced.
Iran's envoy to the International International Atomic Energy Agency (IAEA) said the window for nuclear negotiations is still open -- even as tensions rise over Iran's decision to defy the world on uranium enrichment.
International officials on Wednesday explored Iran's willingness to enter into negotiations over its nuclear program, and a top-level German negotiator expects the Islamic republic to re-enter talks soon.
International inspectors have made new visits to two of Iran's nuclear facilities, including a research reactor that the U.N.'s watchdog agency has been kept out of for a year, a source familiar with Iran's International Atomic Energy Agency file said Thursday.
Iran has increased the number of operating centrifuges at its uranium enrichment plant to 4,000, a top official said Friday, pushing ahead with the nuclear program despite threats of new U.N. sanctions
A day after Iran announced it had begun production of nuclear fuel on an "industrial level," the head of the country's atomic energy organization said Iran had plans to greatly expand its nuclear program.
Iran has resumed its uranium enrichment program by building a second cascade of centrifuges and injecting gas into the system over the past few weeks despite threats of U.N. sanctions over its nuclear program, Iran's semi-official news agency ISNA reported on Friday.
Iran has announced it will allow foreign tourists to visit its nuclear facilities -- a novel approach to calming the world's fears about its nuclear program. What could you expect from a visit, and should you take the kids or the Geiger counter?
A team of nuclear inspectors will press Iran this week about President Mahmoud Ahmadinejad's assertion that Iran is now in the process of researching and testing a more powerful uranium-enrichment centrifuge technology known as P-2.
Iran has begun enriching uranium on a very limited scale and is slowly building up its enrichment activities, according to a confidential International Atomic Energy Agency report that was obtained Monday by CNN.
An Iranian official said Wednesday Tehran supports a proposal under which Russia would enrich uranium for Iran, but believes the plan still needs some work, according to a report from the Russian news agency Interfax.
Amid the threat of possible U.N. economic sanctions, Iran announced Friday it is transferring its foreign exchange accounts out of U.S. and European banks, according to the semi-official Fars news agency.
An Iranian opposition group with sources inside Iran's military is making public a list of the senior military personnel and military units it says are involved in Iran's secret nuclear weapons programs.