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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.

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IAEA: Iran capable of nuclear weaponupdated: Tue Nov 08 2011 12:13:00

CNN's Jill Dougherty reports on the IAEA report that shows Iran is capable of building nuclear weapon.

Iran's nuclear program challenged by setbacks, new reports sayupdated: Tue Oct 18 2011 03:33:00

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.

Iranian secret nuclear site disclosed, opposition group claimsupdated: Thu Sep 09 2010 19:01:00

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.

IAEA: Iran still enriching uraniumupdated: Mon Sep 06 2010 15:22:00

In defiance of U.N. Security Council resolutions, Iran continues its uranium enrichment activities, according to a report by the International Atomic Energy Agency released Monday.

Iran's enrichment intentionsupdated: Fri Feb 12 2010 11:23:00

CNN's Becky Anderson talks to Nobel laureate Shirin Ebadi about Iran's intentions in stepping up its uranium enrichment.

Iran official: Window for nuke deal openupdated: Mon Feb 08 2010 22:01:00

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.

Obama demands transparencyupdated: Sat Oct 03 2009 14:42:00

President Obama says Iran must grant unfettered access to IAEA inspectors.

International nuclear meeting centers on Iran's will to negotiateupdated: Wed Sep 02 2009 17:00:00

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.

Source: U.N. inspectors return to Iran plantsupdated: Mon Aug 24 2009 21:50:00

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 president 'proud' of nuclear progressupdated: Thu Apr 09 2009 18:25:00

Iranian President Mahmoud Ahmadinejad said his country could be proud of two major nuclear accomplishments.

Iran's president may deliver 'good' nuclear plant newsupdated: Tue Apr 07 2009 05:03:00

Iran's president will deliver some "good news" this week about the country's first nuclear power plant, a semi-official news agency reported Monday.

Iran ready to build nuclear weapon, analysts sayupdated: Fri Feb 20 2009 22:56:00

Iranian scientists have reached "nuclear weapons breakout capability," according to a new report based on findings of the U.N. nuclear watchdog agency.

Iran's nuclear capabilityupdated: Fri Feb 20 2009 22:56:00

Scientists say that Iran has reached the ability to build single nuclear bomb. CNN's Rez Sayah has more.

Report: U.S. rejected Israeli plea to attack Iranupdated: Sun Jan 11 2009 05:42:00

President Bush rejected several Israeli requests last year for weapons and permission for a potential airstrike inside Iran, the author of an investigative report told CNN.

Iran claims nuclear progressupdated: Wed Nov 26 2008 12:36:00

Iran has 5,000 "running centrifuges" in its main nuclear site at Natanz, according to Iranian news reports quoting a top official.

Time.com: Iran Increases Nuclear Capacity updated: Fri Aug 29 2008 15:00:00

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

Iran confirms nuclear component productionupdated: Fri Aug 29 2008 05:27:00

Iran's deputy foreign minister said Friday that almost 4,000 uranium-enriching centrifuges are now operating at the country's Natanz enrichment facility, the national IRNA news agency reported.

U.S. agrees to EU's Iran nuclear planupdated: Thu May 08 2008 21:31:00

The United States has signed off on a European plan that would offer increased incentives for Iran to suspend its uranium enrichment program, senior State Department officials said Thursday.

Time.com: Diplomats: Iran Making Centrifugesupdated: Thu Apr 03 2008 21:45:00

Iran has assembled hundreds of advanced machines reflecting a possible intention to speed up uranium enrichment, diplomats have told The Associated Press

Info from Iranian officers fed U.S. change in nuke assessmentupdated: Thu Dec 06 2007 17:21:00

Iranian military officers' notes and conversations intercepted by the United States played a significant role in the new U.S. assessment of Iran's nuclear weapons plans, officials told CNN.

Iran 'reaches nuclear target'updated: Mon Sep 03 2007 04:55:00

Iran has reached its long-sought goal of running 3,000 centrifuges to enrich uranium for its nuclear program, Iranian President Mahmoud Ahmadinejad announced Sunday in a report on state media.

Time.com: Iran Still Defies U.N. on Uraniumupdated: Thu May 24 2007 09:30:00

The U.N. nuclear monitor reported notable advances in Iran's uranium enrichment program Wednesday while warning for the first time that its knowledge of the country's nuclear activities was shrinking

Iran vows to expand nuclear plansupdated: Tue Apr 10 2007 07:25:00

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: Nuclear announcement coming in Aprilupdated: Sun Feb 11 2007 03:46:00

Iran's controversial president Mahmoud Ahmadinejad said Sunday his country will make an announcement in April about new nuclear achievements.

ElBaradei calls for timeout on Iran nuclear programupdated: Fri Jan 26 2007 13:32:00

International Atomic Energy Agency head Mohammed ElBaradei said Friday he was calling for a timeout regarding the Iranian nuclear issue, hoping that talks on the matter can resume.

Iran 'fires up nuclear processors'updated: Fri Oct 27 2006 07:43:00

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.

The insider's guide: Iran's nuclear tourismupdated: Mon Oct 09 2006 12:54:00

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?

Inspectors to press Iran on claimupdated: Mon Apr 17 2006 19:02:00

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.

Group: Iran may be expanding nuclear plantsupdated: Sun Apr 16 2006 22:11:00

Commercial satellite photos indicate Iran has begun to expand its nuclear fuel plants and has buried one beneath dozens of feet of earth and concrete, a U.S.-based nuclear watchdog group reports.

IAEA: Iran working to enrich uraniumupdated: Mon Feb 27 2006 15:55:00

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.

Reports: Progress in Iran, Russia uranium talksupdated: Sun Feb 26 2006 08:49:00

Russia and Iran reported progress Sunday on a Russian proposal for a joint uranium enrichment program, according to Russian news agencies.

Iran 'positive' on Russia planupdated: Wed Jan 25 2006 05:48:00

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.

Iran 'moves financial holdings'updated: Fri Jan 20 2006 09:02:00

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.

Iran president arrives in Syriaupdated: Thu Jan 19 2006 06:22:00

The presidents of Iran and Syria were meeting for talks in Damascus on Thursday -- two regional allies facing prospects of showdowns with the U.N. Security Council.

IAEA: No proof of secret Iran planupdated: Wed Sep 01 2004 14:05:00

The U.N. atomic watchdog agency says weapons inspectors have not uncovered evidence to support accusations that Iran has a secret nuclear weapons program.

Iran 'rushing to build nuke bomb'updated: Tue Apr 27 2004 18:53:00

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.

Officials: Iran continues to produce items for enriching uraniumupdated: Wed Jan 14 2004 15:09:00

Iran continues to produce components used to make highly enriched uranium despite the nation's promise to suspend its nuclear program, according to Western diplomats based in Vienna.

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