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.
A former Australian foreign minister said Wednesday he was encouraged by exchanges "across the room" between Israeli and Iranian representatives during a meeting both attended last month.
United Nations-backed nuclear inspectors on Sunday visited a newly disclosed Iranian nuclear facility near the city of Qom, Iranian media has reported.
International officials arrived in Iran on Sunday to inspect a newly disclosed nuclear facility near the city of Qom, state media reported.
Iran said Friday it needs more time to decide whether to sign onto a deal that could help end the international showdown over its nuclear activities.
Iran has accepted a draft agreement that calls for some uranium produced in Iran to be sent abroad for further enrichment, an Iranian diplomat said Wednesday.
Secretary of State Hillary Clinton will deliver an address on arms control and international security at the U.S. Institute of Peace Wednesday.
The chief of the United Nations' nuclear watchdog agency sounded less optimistic after Tuesday's meeting on Iran's nuclear program than he had after Monday's meetings.
Nearly nine in 10 Americans say they think Iran is trying to develop nuclear weapons, according to a new national poll.
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 has sent an "initial response" to a proposal designed to break the deadlock over its nuclear program, the International Atomic Energy Agency said Thursday.
A former Australian foreign minister said Wednesday he was encouraged by exchanges "across the room" between Israeli and Iranian representatives during a meeting both attended last month.
United Nations-backed nuclear inspectors on Sunday visited a newly disclosed Iranian nuclear facility near the city of Qom, Iranian media has reported.
International officials arrived in Iran on Sunday to inspect a newly disclosed nuclear facility near the city of Qom, state media reported.
Iran said Friday it needs more time to decide whether to sign onto a deal that could help end the international showdown over its nuclear activities.
Iran has accepted a draft agreement that calls for some uranium produced in Iran to be sent abroad for further enrichment, an Iranian diplomat said Wednesday.
Secretary of State Hillary Clinton will deliver an address on arms control and international security at the U.S. Institute of Peace Wednesday.
The chief of the United Nations' nuclear watchdog agency sounded less optimistic after Tuesday's meeting on Iran's nuclear program than he had after Monday's meetings.
Nearly nine in 10 Americans say they think Iran is trying to develop nuclear weapons, according to a new national poll.
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.
North Korean leader Kim Jong Il has again indicated willingness to participate in bilateral talks with the United States and return to six-party talks over its nuclear program, China's Xinhua news agency reported.
United Nations inspectors will visit Iran's recently disclosed nuclear power plant on October 25, the head of the International Atomic Energy Agency announced Sunday from Tehran, Iran.
The United States and its partners in the P5+1 -- Britain, France, Germany, Russia and China -- left Thursday's talks with Iran in Geneva, Switzerland, rightfully claiming progress.
Days after Iran revealed the existence of a second uranium enrichment facility, the head of the United Nations' nuclear watchdog agency paid the country a visit.
U.S. President Barack Obama called on Iran to provide the U.N. nuclear watchdog agency with "unfettered" access to the newly disclosed Qom uranium enrichment site, and Tehran's nuclear negotiator said the country would cooperate with inspectors.
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.
Days before a key meeting with Western leaders, Iran test-fired two types of long-range missiles Monday in part of what the Islamic republic called routine military exercises, its state-run media reported.
The United States wants Iran to provide international inspectors with full access to a newly disclosed underground uranium enrichment plant that Obama administration officials say is both illegal and probably intended for developing weapons.
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's accusations that Iran's nuclear program runs afoul of international agreements are "baseless," the Islamic republic's president told CNN's Larry King on Friday.
Iran's admission that it is building a second uranium enrichment plant and the West's blunt condemnation of the project will probably place the Islamic republic in a diplomatic corner, analysts say.
A rare meeting of U.N. Security Council heads of state, led for the first time by a U.S. president, adopted a resolution focused on stopping the spread of nuclear weapons Thursday.
Russian President Dmitry Medvedev met Wednesday with U.S. President Barack Obama, then signaled he could support sanctions against Iran over its efforts to develop a nuclear weapon.
Britain is examining the possibility of scaling back its Trident nuclear deterrent program by cutting the number of missile-carrying submarines from four to three, Prime Minister Gordon Brown said Wednesday.
An online news organization has published what it said is a copy of Iran's proposals to the United Nations which were supposed to address international concerns about its nuclear program.
Iran on Wednesday submitted its latest package of proposals to the United Nations Security Council's five permanent members, plus Germany, according to Iran's government-funded Press TV.
North Korea's state-run news agency said Thursday that the country has sent a letter to the United Nations announcing that "reprocessing of spent fuel rods is at its final phase and extracted plutonium is being weaponized."
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.
Iran has "prepared an updated nuclear package" and is ready to hold talks with world powers, the country's state-run Press TV reported Tuesday.
Iran has limited time to return to international talks on its nuclear program before it faces stiffer sanctions, German Chancellor Angela Merkel told reporters.
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.
Israel makes no secret that it sees Iran is its biggest threat but the scale of the threat is less clear cut.
Below is a chronology of the development of North Korea's nuclear weapons program.
North Korea launched a scathing personal attack on U.S. Secretary of State Hillary Clinton on Thursday after she likened the leadership in Pyongyang to "small children and unruly teenagers and people who are demanding attention."
The United States is "absolutely not" giving Israel a green light to attack Iran, U.S. President Barack Obama told CNN Tuesday.
The test of a nuclear device on May 25 and the subsequent test missile-launches by North Korea have jolted the international community into universal condemnation of such flagrant violations of the relevant United Nations resolutions. Even China, North Korea's traditional ally, has expressed unprecedented firm opposition to such violations and has joined the United Nations Security Council in its resolution condemning such violations.
The United Nations nuclear watchdog agency elected Yukiya Amano as its new director general Thursday, it announced.
The head of the U.N. nuclear watchdog agency says it's his "gut feeling that Iran definitely would like to have the technology" enabling it to possess nuclear weapons.
Allowing North Korea to develop nuclear weapons would destabilize Asia and threaten the world, President Obama said Tuesday after meeting with South Korean President Lee Myung-bak.
The U.S. intelligence community believes that North Korea tested a nuclear device last month with an explosive yield of several kilotons, considerably more powerful than its first test nearly three years ago.
North Korea said Saturday it would strengthen its nuclear capabilities, a defiant protest against the U.N. Security Council's move to tighten sanctions against it.
The U.N. Security Council voted unanimously Friday to expand and tighten sanctions on North Korea after that nation's recent nuclear test.
North Korea may be preparing for a new atomic bomb test a month after its last test, a U.S. official said Thursday.
Regardless of who wins the Iranian election, continuity will be the hallmark of Iran's foreign affairs and nuclear program.
North Korea has test-fired a short-range missile off the country's east coast, a South Korean military source said Friday.
The United States will not accept North Korea as a nuclear-armed state, Defense Secretary Robert Gates said Saturday at an international conference.
U.S. satellite imagery has spotted "vehicle activity" at a North Korean ballistic missile site, two Defense Department officials said Friday.
South Korean and U.S. forces have been placed on a higher surveillance alert level, after North Korea threatened military action following its nuclear test earlier this week, the joint forces announced on Thursday.
North Korea has fired another short-range missile, the South Korean Yonhap News Agency reported on Wednesday.
South Korea formally announced Tuesday that it would join a U.S.-led effort to crack down on trafficking in weapons of mass destruction in response to North Korea's new nuclear test.
South Korea's government on Monday reacted harshly to Pyongyang's latest nuclear test.
President Obama castigated the North Korean government Monday for conducting a second nuclear bomb test in defiance of multiple international warnings.
President Obama on Thursday sent a civil nuclear agreement with the United Arab Emirates to the Senate for ratification, but its passage remains uncertain, thanks to a recently disclosed video.
Russian and U.S officials are meeting Wednesday and Thursday in Moscow to discuss a replacement pact for the Strategic Arms Reduction Treaty I, which is expiring in December.
Israeli Prime Minister Benjamin Netanyahu reiterated his concern over the potential of a nuclear-armed Iran during meetings with top congressional leaders Tuesday.
President Obama and Israeli Prime Minister Benjamin Netanyahu on Monday held their first face-to-face meeting since each took power, confronting a range of potentially divisive issues.
A U.S. Senate report released Thursday says some experts predict Iran could have enough material for a nuclear bomb in six months.
North Korea threatened to conduct a nuclear test and more ballistic missile tests if the U.N. Security Council doesn't withdraw its condemnation of Pyongyang's rocket launch earlier this month, the state-run Korean Central News Agency reported.
Taliban militants made their deepest incursion into Pakistan this week, seizing control of areas that are a short drive from the capital city.
As U.S. nuclear experts prepared to leave North Korea, the United States vowed consequences on Pyongyang for expelling them, along with U.N. nuclear inspectors. This is after the United Nations condemned North Korea's recent missile launch.
One of the main stumbling blocks to talk with Iran has been the condition that Iran suspends its uranium enrichment. Now, the Obama administration may take that option off the table, at least for now.
Iranian President Mahmoud Ahmadinejad said his country could be proud of two major nuclear accomplishments.
In a dramatic break from previous policy, the United States will join direct talks between U.N. and European powers and Iran over Tehran's nuclear program, the State Department announced Wednesday.
After a three-hour emergency session Sunday, the United Nations Security Council failed to come to any agreement on how to deal with North Korea's rocket launch over the weekend.
North Korea's thinly disguised missile test violates U.N. resolutions and should be condemned. But it is not a serious threat to the United States, nor does it justify a crash program to deploy an expensive, unproven anti-missile system.
President Obama urged nations Sunday to get rid of nuclear weapons, saying that the U.S. is committed to reducing nuclear stocks within the next four years.
The United States, Japan and South Korea can only wait and see what North Korea has up its sleeve.
North Korea says it will attack the Japanese military and "major targets," if Japan shoots down a rocket Pyongyang plans to launch in the coming days, North Korea's state-run news service, KCNA, reported Thursday.
President Barack Obama reached out to Iran on Friday -- the start of the Iranian New Year -- in a video message offering "the promise of a new beginning" that is "grounded in mutual respect."
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.
President Obama said Tuesday that reports of a U.S. offer to kill a proposed missile defense system in exchange for Russian assistance in preventing Iran's acquisition of nuclear weapons were inaccurate.
Iran likely has enough material to make a nuclear weapon, Joint Chiefs of Staff Chairman Adm. Mike Mullen told CNN's John King on Sunday.
The Obama administration will work to stop any "illicit" nuclear aspirations by Iran, U.S. Ambassador to the United Nations Susan Rice told the U.N. Security Council on Thursday.
Iran tested its first nuclear power plant Wednesday, a stride that prompted one Iranian technician to declare it was "independence day" for the Islamic republic.
Iran's first nuclear power plant will undergo comprehensive testing Wednesday in front of Russian and Iranian officials, Iranian Students' News Agency reported, quoting a nuclear expert.
Iran offered to stop attacking coalition troops in Iraq nearly four years ago in an attempt to get the West to accept Tehran's nuclear program, a British diplomat told the BBC in an interview aired Saturday.
Iranian scientists have reached "nuclear weapons breakout capability," according to a new report based on findings of the U.N. nuclear watchdog agency.
Senior North Korean officials say the communist regime has "weaponized" its stockpile of plutonium, according to a U.S. scholar, in a move suggesting that North Korea may have significantly hardened its stance on nuclear negotiations.
The United States signed an agreement Thursday on civil nuclear cooperation with the United Arab Emirates.
The congressionally authorized Commission on the Prevention of Weapons of Mass Destruction Proliferation and Terrorism issued a report this week that concluded: "It is more likely than not that a weapon of mass destruction will be used in a terrorist attack somewhere in the world by the end of 2013."
Terrorists are likely to use a weapon of mass destruction somewhere in the world in the next five years, a blue-ribbon panel assembled by Congress has concluded.
Iran has 5,000 "running centrifuges" in its main nuclear site at Natanz, according to Iranian news reports quoting a top official.
The United States will urge allies next month to finalize a protocol that would allow them to check whether North Korea has revealed all its nuclear secrets, Secretary of State Condoleezza Rice said Sunday.
North Korea has stepped up disablement of its nuclear reactor and allowed surveillance at its nuclear facility to resume, the U.S. State Department said Friday.
North Korea will resume the process of dismantling its nuclear reactor on Tuesday, the International Atomic Energy Agency announced.
North Korea declared Monday that it will resume shutting down its nuclear program and allow U.N. experts to monitor the process
North Korea said Sunday it will immediately resume work to disable its nuclear plants after the United States removed it from a list of states that sponsor terrorism.
President Bush on Wednesday signed legislation that reverses three decades of U.S. policy and allows American businesses to enter India's multibillion-dollar nuclear market
Secretary of State Condoleezza Rice will travel Friday to India to commemorate approval of a landmark U.S.-India nuclear cooperation accord, a foreign affairs victory for President Bush during his final months in office
The Air Force disciplined 15 senior officers, including six generals and nine colonels, for their roles in the mistaken shipment of nuclear weapons components to Taiwan, Air Force officials announced Thursday.
North Korea has made another move toward possibly restarting its suspended nuclear program, the U.N. nuclear agency reports.
The North Koreans are nearing completion on a previously undisclosed missile test site capable of launching long-range ballistic missiles and satellites, according to private analysts who obtained satellite imagery of the site.
The likelihood that terrorists will be able to target the United States with a nuclear weapon is increasing, a former senator testified before a congressional committee Wednesday.
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
An Iranian trade delegation announced an agreement Thursday for Iran to share peaceful nuclear technology with Nigeria
Or something close to it. Some are calling on the Pentagon to build a quick-strike, non-nuclear weapon that can attack targets anywhere on the planet
Iran may face "punitive" measures because of its insufficient response to an incentives package offered in return for a cutback in its nuclear program, a senior White House official said Wednesday.
A truck carrying an unarmed missile booster tipped over in North Dakota on Thursday, the latest in a two-year string of Air Force mishaps.
Three Air Force officers fell asleep while in control of an electronic component that contained old launch codes for nuclear intercontinental ballistic missiles, a violation of procedure, Air Force officials said Thursday.

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