The Assad-era government in Syria was constructing a nuclear reactor that was configured to produce fissile material for possible use in nuclear weapons, according to the International Atomic Energy Agency.
The head of the U.N.’s nuclear agency signaled that Iranian nuclear enrichment sites would be visited by his inspectors, a key component in the interim U.S.-Iran deal to reach an end to the war.
The U.N. nuclear watchdog has been unable to inspect nuclear facilities in Iran affected by the war last June, according to a confidential report by the U.N. nuclear watchdog.
Defense Secretary Pete Hegseth faced nearly six hours of questioning Wednesday from House lawmakers for the first time since President Donald Trump’s administration launched the war against Iran.
The head of the U.N. nuclear agency says the majority of Iran’s highly enriched uranium is still believed to be at its Isfahan nuclear complex.
Four candidates vying to lead the United Nations have spent hours being grilled about their views on issues from restoring global peace to ending escalating poverty.
The 1986 Chernobyl nuclear disaster fueled global fears about nuclear energy and slowed down its development in Europe and other regions.
Four candidates to be the next secretary-general of the United Nations will audition for the job this week, far fewer than there were 10 years ago when António Guterres was selected as U.N. chief.
President Donald Trump faces the most daunting question of the Iran war: Will he put U.S. troops on the ground to secure the enriched uranium Tehran could use for nuclear weapons.
Iran has broadened its strikes on major energy facilities in the Middle East, eliciting strong warnings from Gulf Arab states that called it a dangerous escalation that threatened to draw them into direct combat with Tehran.
President Donald Trump is pushing back on criticism that he hasn’t done enough to explain why it was necessary to start a war with Iran now or to articulate his vision for an endgame to the escalating conflict.
Iran’s IAEA ambassador says U.S. and Israeli airstrikes hit Iran’s Natanz enrichment site, but the U.N. nuclear watchdog says it has no reports of damage.
A U.N. nuclear watchdog report says Iran has blocked inspectors from reaching key nuclear sites hit during a June war.
Iran and the United States held a third round of nuclear talks in Geneva as Washington sends airships and warships to the Middle East to underscore the U.S. demand that Iran stop enriching uranium.
The U.N. atomic watchdog’s board of governors is demanding Iran fully cooperate and provide the agency's inspectors with “precise information” about its stockpile of near weapons-grade uranium, and also grant them access to the country’s nuclear sites.
The International Atomic Energy Agency has been unable to verify Iran's near weapons-grade uranium stockpile since Israel struck its nuclear sites in June.
The head of the U.N. nuclear watchdog says Iran doesn’t appear to be actively enriching uranium but that the agency has recently detected renewed movement at the country’s nuclear sites.
Ukrainians are expressing disappointment as the U.S. may not provide long-range Tomahawk missiles to Kyiv.
Ukraine’s Russian-occupied Zaporizhzhia nuclear power plant entered its fifth day running on emergency generators Saturday, creating mounting safety concerns at Europe’s largest nuclear facility.
Iran’s Supreme Leader Ayatollah Ali Khamenei has rejected direct negotiations with the United States over his country’s nuclear program.
A U.N. Security Council resolution aimed at halting the reimposition of sanctions on Iran over its nuclear program failed.
An agreement between Tehran and the U.N. nuclear watchdog provides for U.N. inspectors to access all of Iran’s nuclear facilities.
Iran and the International Atomic Energy Agency have signed an agreement in Cairo to open the way for resuming cooperation, including on ways of resuming inspections of Iran’s nuclear facilities.
The head of the U.N.’s nuclear watchdog has warned that the agency is not yet satisfied with Iran’s cooperation with international inspectors.
Russia has accused Ukraine of drone strikes that sparked a fire at a nuclear power plant in the Kursk region Sunday as Ukraine marked its Independence Day.
Iran's foreign minister has spoken with his French, German, and British counterparts, trying to stop the reimposition of U.N. sanctions over Tehran's nuclear program.
A senior Israeli official says Israel believes deeply buried stocks of enriched uranium at one Iranian nuclear facility hit by the U.S. military are potentially retrievable.
It’s been a week since the U.S. pressed Israel and Iran into a truce, ending a bloody 12-day conflict that had set the Middle East and the world on edge.
CIA Director John Ratcliffe has told skeptical U.S. lawmakers that American military strikes destroyed Iran’s lone metal conversion facility and delivered a monumental setback to Tehran’s nuclear program that will take years to overcome.
Hundreds of thousands of mourners gathered in Tehran for the funeral of top Iranian commanders and scientists killed in a 12-day war with Israel.
U.S. President Donald Trump says he expects Iran to open itself to international inspection to verify it doesn’t restart its nuclear program.
President Donald Trump says the U.S. military struck three sites in Iran, inserting itself into Israel’s effort to decapitate the country’s nuclear program in a risky gambit to weaken a longtime foe amid Tehran’s threat of reprisals that could spark a wider regional conflict.
Iran’s top diplomat warned Sunday that the U.S. attacks on its nuclear sites “will have everlasting consequences” and that Tehran “reserves all options” to retaliate.
The head of the International Atomic Energy Agency says there is a possibility of both radiological and chemical contamination within Iran’s main nuclear enrichment facility in Natanz.
Israel and Iran have traded more missile attacks despite international calls for a halt to the fighting, with neither country showing signs of backing down as the conflict between the regional foes raged for a third day.
Israel launched an expanded assault on Iran on Sunday while Tehran unleashed a fresh barrage of missiles.
Israel’s sweeping attack across Iran struck at the heart of Tehran’s nuclear program, delivering a blow to the country’s ability to enrich uranium and potentially setting its nuclear ambitions back by months or years.
The head of the International Atomic Energy Agency says that information Iran claims to have obtained regarding Israel’s nuclear program “seems to refer” to the country’s Soreq Nuclear Research Center.
Western nations are planning to table a resolution at an IAEA meeting that will find Iran in non-compliance with its so-called safeguards obligations for the first time in 20 years, a senior western diplomat said.
The new Syrian government has agreed to give inspectors from the United Nations’ nuclear watchdog access to suspected former nuclear sites immediately.
The Iranian Foreign Minister says he has spoken by phone with the director of the U.N.’s nuclear watchdog agency after a report from the agency said Iran is further increasing its stockpile of uranium enriched to near weapons-grade levels.
Inspectors from the U.N. nuclear watchdog have not seen signs of Russia moving to immediately restart the Zaporizhzhia nuclear power plant.
A federal trade court on Wednesday blocked President Donald Trump from imposing sweeping tariffs on imports under an emergency-powers law.
President Donald Trump says he has told Israeli Prime Minister Benjamin Netanyahu to hold off on an Iran strike to give his administration more time time to push for new nuclear deal with Tehran.
Secretary of State Marco Rubio says Iran must give up all nuclear enrichment if it wants to make a deal during talks with the Trump administration and head off the threat of armed conflict.
Iranian state television has confirmed that the second round of Iran-U.S. nuclear talks will be held in Rome after earlier confusion over where the negotiations would take place.
Talks between Iran and the United States over Tehran’s rapidly advancing nuclear program had appeared ready to leave the Middle East, as an Italian source and others said the next round of negotiations would take place in Rome.
During a call between U.S. President Donald Trump and his Ukrainian counterpart, the U.S. leader apparently suggested Volodymyr Zelenskyy consider transferring ownership of Ukraine’s power plants to the U.S. for long-term security, according to a U.S. statement.
Ukraine’s nuclear ghosts have been stirred up again after a drone armed with a warhead hit the protective outer shell of the plant at Chernobyl, the site of the world’s worst nuclear accident.
The head of the International Atomic Energy Agency is warning that the “space for negotiation and diplomacy.
The U.N.'s nuclear chief says the world must recognize that North Korea possesses nuclear weapons and pursue dialogue despite its violations of U.N. sanctions and international law.
Iran’s newly-elected president has reappointed a U.S.-educated official as director of the country’s nuclear department.
Iran and the United Nations’ nuclear watchdog are still negotiating over how to implement a deal struck last year to expand inspections of the Islamic Republic’s rapidly advancing atomic program.
The head of the United Nations’ nuclear watchdog will travel to Iran next week as Tehran’s nuclear program enriches uranium a step away from weapons-grade levels and international oversight remains limited.
Over 30 nations from around the world have pledged to boost nuclear energy to help achieve a climate-neutral globe while providing countries an added sense of security independence.
The head of the U.N. atomic agency has observed firsthand the Fukushima Daiichi nuclear power plant’s ongoing radioactive wastewater discharges for the first time since the contentious program began six months ago.
The head of the United Nations’ atomic agency is in Japan to examine discharges of treated radioactive wastewater from the ruined Fukushima Daiichi nuclear power plant, and to discuss further cooperation with Japan to promote peaceful use of nuclear energy and non-proliferation.
The U.N. atomic watchdog agency’s director said that he’s due to depart for a trip to Moscow on Tuesday for high-level talks with Russian officials to discuss the issue of nuclear safety in Ukraine.
The head of the United Nations’ nuclear watchdog has warned that Iran is “not entirely transparent” regarding its atomic program.
The U.N. atomic agency and outside experts say North Korea may have started operating a light-water reactor at its main nuclear complex in a possible attempt to establish a new facility to produce bomb fuels.
The world wants more nuclear energy as a means to fight climate change and supply an ever-growing demand for electricity, part of a generational shift in thinking on atomic power.
The head of the International Atomic Energy Agency says that Iran’s decision in September to bar several experienced U_N_ inspectors from monitoring its disputed nuclear program is constituting “a very serious blow” to the agency’s ability to do its job “to the best possible level."
Iran’s President Ebrahim Raisi says that relations with the United States can move forward if the Biden administration demonstrates it wants to return to the 2015 nuclear deal, and a first step should be easing sanctions.
Iran’s President Ebrahim Raisi says that his country will never give up its right “to have peaceful nuclear energy” and urged the United States “to demonstrate in a verifiable fashion” that it wants to return to the 2015 nuclear deal.
The U.N. nuclear chief says he asked to meet Iran’s president on the sidelines of the U.N. General Assembly’s high-level meeting, His goal is to reverse Tehran’s ban on many of the agency’s inspectors.
The U.N. nuclear watchdog has harshly criticized Iran for effectively barring several of its most experienced inspectors from monitoring the country’s disputed atomic program.
South Korean opposition lawmakers have sharply criticized the head of the United Nations’ nuclear watchdog for its approval of Japanese plans to release treated wastewater from the damaged Fukushima nuclear power plant.
Hundreds of people have marched in South Korea’s capital demanding Japan scrap its plans to release treated wastewater from the damaged Fukushima nuclear power plant.
The head of the U.N. nuclear agency, the IAEA, says he’s pushing for access to the rooftops of reactors at the Zaporizhzhia Nuclear Power Plant in Ukraine.
The head of the U.N. atomic agency has toured Japan’s tsunami-wrecked Fukushima nuclear plant and said he is satisfied with still-contentious plans to release treated radioactive wastewater into the Pacific Ocean.
The U.N. nuclear agency has given its endorsement to Japan’s planned release of treated radioactive wastewater into the sea from the damaged Fukushima nuclear plant, saying it meets international standards and its environmental and health impact would be negligible.
The chief of the U.N. nuclear agency will visit Japan next week to meet with officials and see final preparations for the release of treated radioactive wastewater from the damaged Fukushima nuclear plant into the Pacific Ocean.
The Russian owner of the private military contractor Wagner has made his most direct challenge to the Kremlin yet, calling for an armed rebellion aimed at ousting Russia’s defense minister.
The U_N_ nuclear chief says the world is fortunate a nuclear accident hasn’t happened in Ukraine and is asking Moscow and Kyiv to commit to preventing an attack on Europe’s largest nuclear power plant and make other pledges “to avoid the danger of a catastrophic incident.”.
Anxiety about the safety of Europe’s largest nuclear power plant is growing after the Moscow-installed governor of the Ukrainian region where it is located ordered civilian evacuations.
U.N. nuclear head Rafael Grossi has met with Russian officials in Kaliningrad for negotiations on the safety of Ukraine’s Moscow-held Zaporizhzhia nuclear power plant.
NATO Secretary-General Jens Stoltenberg says Ukraine’s Western allies have sent the country 65 billion euros ($70 billion) in military aid to help thwart Russia’s full-scale invasion.
The head of the International Atomic Energy Agency is set for another four-year term at the helm of the United Nations’ nuclear watchdog as it grapples with monitoring Iran’s nuclear activities and tries to shore up the safety of power plants in Ukraine.
The head of the U.N. nuclear watchdog has met in Moscow with officials from Russia’s state atomic energy company as he tries to get a protection zone set up around a Russian-occupied nuclear power plant in Ukraine.
The head of the U.N. nuclear watchdog agency has told South Korean officials that his organization will push to bolster its capacity to verify North Korean nuclear activities and raise international awareness of the urgency of its weapons program.
