Iran is not open about its nuclear program, but it should be, the head of the U.N. nuclear watchdog agency said Wednesday.
CNN's Erin Burnett speaks to Ali Asghar Soltanieh, an Iranian nuclear scientist about Iran's expanding nuclear activity.
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 has stepped up efforts to produce enriched uranium in violation of international resolutions to stop, the International Atomic Energy Agency said Friday in a report posted online by a nonproliferation group.
Two days of talks in Iran went nowhere and the frustration of the global nuclear watchdog agency was palpable in the terse statement it issued afterward.
Fareed Zakaria gives his take on how much of a threat Iran poses the world.
Two days of talks with Iran have failed to produce agreement on how to verify that Iran's nuclear program remains peaceful, the International Atomic Energy Agency announced Tuesday.
The United Nations' nuclear watchdog agency confirmed Monday that uranium enrichment has begun at a nuclear facility in northern Iran.
The International Atomic Energy Agency issued a critical report Tuesday saying that it has "serious concerns" about Iran's nuclear program and has obtained "credible" information that the Islamic republic may be developing nuclear weapons.
The decommissioning of four reactors at the crippled Fukushima Daiichi nuclear power plant will likely take more than 30 years to complete, according to a report by Japanese officials.
An International Atomic Energy Agency report, dated and leaked Friday, said Iran continues to defy U.N. resolutions aimed at curbing its nuclear program and cited "increasing" concerns it may be developing nuclear weapons
The French Foreign Ministry condemned Tuesday the Iranian government's announcement that it was installing a new generation of centrifuges in its nuclear facilities, describing it as "a new wave of provocation" that flouts United Nations resolutions.
The top U.N. nuclear official said a conference on nuclear safety this week "achieved its main goal," paving the way "for an enhanced post-Fukushima global nuclear safety framework."
Radiation levels in a Japanese town outside a government-ordered evacuation zone have exceeded one of the criteria for evacuation, the International Atomic Energy Agency said Wednesday.
Japan's Health Ministry reported Tuesday finding radioactive materials at levels "drastically exceeding legal limits" in 11 types of vegetable grown in Fukushima Prefecture, including broccoli and cabbage, according to Kyodo News Agency.
International regulators need to rethink their procedures for handling nuclear accidents in the wake of the crisis in Japan, the head of the U.N. atomic watchdog agency said Monday.
Japanese Chief Cabinet Secretary says power plant workers have suspended their operations and been evacuated.
Iran blasted a nuclear fuel bank approved by the world's main nuclear watchdog agency, saying the idea amounts to "nuclear apartheid."
The United Nations nuclear watchdog agency begins its annual meeting Monday, where it looks set to wrestle with how to deal with Iran, North Korea, Syria and Israel.
The head of Iran's atomic energy agency said Monday that the nation will ban two U.N. atomic watchdog inspectors from visiting nuclear facilities, the semi-official Iranian Student News Agency reported.
Iranian Foreign Minister Manouchehr Mottaki on Sunday met with the head of the U.N.'s nuclear watchdog agency to discuss a plan to swap uranium for a nuclear research reactor in Tehran.
Iran may be working on secretly developing a nuclear warhead for a missile, the head of the United Nations' nuclear watchdog agency said Thursday in a draft report.
Iran's Cabinet has authorized the construction of another 10 uranium enrichment plants, its state news agency announced Sunday, further defying international calls to halt its production of nuclear fuel.
The board of the United Nations' nuclear watchdog agency Friday sharply criticized Iran's nuclear activities in a resolution, and urged Iran to immediately suspend construction of its recently disclosed nuclear facility at Qom.
United Nations nuclear inspectors Thursday visited an Iranian nuclear plant that was secret until September, the International Atomic Energy Agency told CNN.
Iran will not send its partially enriched uranium abroad to be turned into material for medical research, its foreign minister said Wednesday, rejecting a key plank of a deal designed to ease international fears that Tehran aims to build nuclear weapons.
In a report published Monday, the United Nations nuclear watchdog group says Iran's disclosure of a previously secret nuclear facility near Qom raises questions about the existence of other such facilities.
Iran has sent an "initial response" to a proposal designed to break the deadlock over its nuclear program, the International Atomic Energy Agency said Thursday.
United Nations-backed nuclear inspectors on Sunday visited a newly disclosed Iranian nuclear facility near the city of Qom, Iranian media has reported.
The first day of meetings on the future of Iran's nuclear program ended Monday on a note of optimism from the director-general of the U.N.'s nuclear watchdog agency.
Iran broke international law by not disclosing sooner its recently revealed uranium enrichment site, the head of the United Nation's nuclear watchdog agency said.
Iran will soon tell the International Atomic Energy Agency when it can inspect the Islamic republic's recently revealed nuclear facility, the country's state-run Press TV reported.
How should the Obama administration handle Iran's nuclear ambitions? Our blogger bunch discusses the options.
The head of Iran's Atomic Energy Organization said Saturday that U.N. nuclear experts can inspect a uranium enrichment plant, according to a report from Iran-funded Press TV.
President Obama and other world leaders react to Iran's second nuclear facility.
Findings in a recent U.N. report that Iran's nuclear program "has military dimensions" are "troubling," the U.S. ambassador to the United Nations said Tuesday.
Iranian scientists have reached "nuclear weapons breakout capability," according to a new report based on findings of the U.N. nuclear watchdog agency.
Scientists say that Iran has reached the ability to build single nuclear bomb. CNN's Rez Sayah has more.
The U.N. nuclear watchdog chief urged Syria on Friday to show "transparency" and cooperate with inspectors from the world agency visiting the Mideast country this weekend
Iran is still withholding critical information that could determine whether it is trying to make nuclear weapons, the International Atomic Energy Agency said in a restricted report.
CNN's Aneesh Raman reports on the political climate in Iran, where support for Ahmadinejad is far from universal.
Iran has rejected documents that link it to missile and explosives experiments and other work connected to a possible nuclear weapons program
Pakistan's foreign ministry Wednesday rejected concerns raised by the U.N. nuclear watchdog chief that the country's nuclear weapons "could fall into the hands of an extremist group in Pakistan or in Afghanistan."
U.S. Secretary of State Condoleezza Rice cautioned the U.N. nuclear watchdog group Wednesday not to interfere with international diplomacy over Iran's alleged weapons program.
Iran and the International Atomic Energy Agency both said on Tuesday they had made progress in talks about Tehran's offer of more transparency aimed at defusing a row over the Iranian nuclear program.
North Korea inspections
A senior Iranian official warned Saturday that further U.N. sanctions over Tehran's contentious nuclear program could derail ongoing negotiations toward a settlement
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
The U.N. nuclear watchdog agency has written a scathing letter to a congressional committee saying part of its case against Iran is "outrageous and dishonest."
The threat of sanctions has not convinced Iran to stop enriching uranium or to comply with demands that the Islamic republic prove its program is peaceful, a U.N. report said Thursday.
Iran's president argued for his country's pursuit of nuclear technology Friday in an address to residents of Maku city, stating peaceful nuclear energy use is "an inalienable right of the country," according to Iran's state-run IRNA news agency.
The recently adopted UN Security Council Resolution 1696 on Iran's peaceful nuclear program was unwarranted and unhelpful.
The United States and Europe have called on the U.N. Security Council to act on Iran's atomic program at a meeting of the world body's nuclear watchdog.
A Russian proposal to allow Iran to enrich a small amount of uranium on its soil has been shot down by U.S. officials, diplomats close to the International Atomic Energy Agency told CNN.
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.
Inspectors from the International Atomic Energy Agency have stripped most surveillance cameras and agency seals from Iranian nuclear sites and equipment as demanded by Tehran in response to its referral to the U.N. Security Council, according to diplomats in Europe quoted by The Associated Press.
Iran has told the International Atomic Energy Agency to remove its surveillance cameras and other equipment from its nuclear sites by mid-February, the U.N.'s nuclear watchdog has said.
The U.N.'s nuclear watchdog has delayed a vote on whether to report Iran to the U.N. Security Council over the Islamic state's atomic program.
The international community's showdown with Iran over its alleged pursuit of a nuclear weapons program moved closer as the 35-member board of governors to the International Atomic Energy Agency met Thursday in emergency session to vote on the matter.
Just hours ahead of an emergency meeting of the U.N. nuclear watchdog, a U.S. official says a "troubling" briefing in Vienna has revealed new information that Iran might be pursuing atomic weapons.
A day before a key meeting on Iran's nuclear program, a "troubling" briefing in Vienna revealed new information that Iran might be pursuing nuclear weapons, the U.S. ambassador to the International Atomic Energy Agency said Wednesday.
As the international community prepares to refer Iran to the United Nations Security Council over its nuclear program later this week, Tehran has stepped up its preparations to enrich uranium, a senior U.S. State Department official said Tuesday.
Iran has reacted with anger to a move by the world's top five powers to report it to the U.N. Security Council, saying the action would close diplomatic avenues to a solution of its nuclear standoff with the West.
A possible referral of Iran to the U.N. Security Council over the resumption of its nuclear research program has moved closer after Britain, France, Germany said they will call for an emergency meeting of the U.N. nuclear watchdog.
The U.N. nuclear watchdog and its head, Mohamed ElBaradei, won the 2005 Nobel Peace Prize on Friday for their efforts to limit the spread of atomic weapons.
The U.N. nuclear watchdog and its head, Mohamed ElBaradei, won the 2005 Nobel Peace Prize on Friday for their efforts to limit the spread of atomic weapons.
The International Atomic Energy Agency board of governors passed a resolution Thursday asking Iran to again suspend its nuclear activities, including uranium conversion at its Isfahan plant.
An Iranian official has warned European countries against "coercive" measures in the diplomatic standoff over its nuclear program as Tehran removed the U.N. watchdog agency's seals from its Isfahan nuclear processing facility.
The International Atomic Energy Agency is expected to press Iran on Wednesday to reverse its decision to resume a uranium conversion program.
The United States accused Iran of "cynically" pursuing nuclear weapons, saying Tehran's claims that its aims were peaceful constituted willful deceit of the world and required action by the U.N. Security Council.
Iran's Foreign Minister Kamal Kharrazi said the new draft resolution put forward by three European powers at a key meeting of the U.N. nuclear watchdog is still unacceptable despite recent changes, Iran's state-run news agency reported Saturday.
An Iranian opposition group says it has disclosed the location of what it claims is a newly discovered nuclear weapons research facility in Tehran.
Iran has not diverted any of its declared nuclear material for military purposes, but questions remain about possible undeclared activities, the U.N.'s nuclear watchdog says in a new report.
The United Nations' nuclear watchdog agency has determined that secret experiments conducted in South Korea produced small amounts of weapons-grade nuclear material, but the quantities were not significant.
North Korea poses "a serious challenge" to non-proliferation of nuclear material, and Iran must suspend uranium enrichment in order to calm concern about its nuclear program, the director general of the International Atomic Energy Agency has told its parent body.
The disappearance of 380 tons of powerful explosives from an Iraq storage depot has become a political football in the U.S. presidential elections as both campaigns look for a last-minute advantage.
Some 380 tons of explosives powerful enough to detonate nuclear warheads are missing from a former Iraqi military facility that was supposed to be under American control, the U.N.'s nuclear watchdog agency says.
Washington has said it will join Baghdad in a full investigation into missing machinery from Iraq's nuclear facilities, and Iraq's science minister has invited U.N. inspectors to the country.
The senior adviser to Iraq's Interior Ministry blamed U.S. forces Tuesday for not securing facilities where the U.N. nuclear watchdog agency says dual-use equipment that could be used to make nuclear weapons has vanished.
Equipment and materials that could be used to make nuclear weapons have disappeared from Iraq, the chief of the U.N.'s atomic watchdog agency has warned.
The director general of the International Atomic Energy Agency held out hope Sunday that arms inspectors may not have reached an impasse with Iran on its nuclear program.
South Korea has admitted that government scientists enriched uranium in 2000 to near-nuclear-weapons level, international inspectors have said.
The U.N. atomic watchdog agency says weapons inspectors have not uncovered evidence to support accusations that Iran has a secret nuclear weapons program.
International Atomic Energy Agency chief Mohamed ElBaradei was critical Monday of Iran's cooperation with his agency as the IAEA board of governors met.
Iran has rejected any further restrictions on its nuclear program and demanded that it be recognized as a nuclear nation with the right to pursue "the peaceful use of atomic energy."
A classified report on Iran's nuclear program raises serious questions and concerns about Tehran's activities, casting doubt on the Islamic republic's explanation for how centrifuge parts became contaminated with highly enriched uranium.
A leaked report from the International Atomic Energy Agency says that highly enriched uranium was found in centrifuges in Libya's nuclear facilities, a diplomat who has seen the document said Friday.
Libya has agreed to allow the United Nations nuclear watchdog to perform unannounced inspections of atomic facilities in the north African country.
The United States and its European allies have reached agreement on a draft resolution for the U.N.'s nuclear watchdog that criticizes Iran's secrecy on its nuclear program, a senior administration official has told CNN.
Libya produced a small amount of plutonium as part of a secret program aimed at developing a nuclear weapon, the U.N.'s nuclear watchdog has said.
International inspectors have discovered uranium enrichment centrifuge parts in Iran that are much more sophisticated than the type Tehran has admitted to having, a senior Bush administration official said Thursday.
Gaddafi's decision to come clean on nukes could help inspectors in other rogue nuclear nations
HANS BLIX, 61, head of the International Atomic Energy Agency at the U.N., on the prospects for revived interest in nuclear power: ''Every year takes us further from Chernobyl and closer to the gre...
THE FIRST NUCLEAR power plant in the Philippines sits on a verdant bluff overlooking the South China Sea, just off the road where U.S. soldiers marched to their death under the bayonets of Japanese...
Loading weather data ...