U.N. confirms Iran violated nuclear deal's uranium stockpile limits
Iran is only allowed to enrich a certain amount of uranium up to 3.67%, enough to fuel a commercial nuclear power plant.
Nuclear Security & WMD
News and insights on nuclear security policy and weapons of mass destruction (nuclear, chemical and biological weapons), amid threats and risks ranging from Russia's war in Ukraine to North Korea's missile tests.
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Iran threatens to exceed nuclear deal limit on uranium stockpile
A spokesperson for Iran's Atomic Energy Organization said the stockpile would exceed the limit before the end of June.
Iran to withdraw from parts of the nuclear deal after U.S. reneged
Tehran promised to return to the deal if China, France, Germany, Russia, the U.K. and E.U. give adequate help.
Dispute over economic sanctions ends Trump-Kim nuclear talks
The leaders had contradictory accounts of why there was no agreement on dismantling North Korea's nuclear weapons.
Trump says he will sever nuclear arms control treaty with Russia
The U.S. will suspend participation in the Intermediate Range Nuclear Forces Treaty against nuclear-capable cruise missiles.
Experts bid to keep U.S.-Russia arms pact alive amid rising tensions
Arms control experts urged the Trump administration to reverse plans to withdraw the United States from the 1987 Intermediate-Range Nuclear Forces Treaty with Russia.
Trump raises risk of arms race with U.S. exit from nuclear treaty
The Trump administration announced plans to withdraw the United States from the INF Treaty of 1987, and blamed Russia.
U.S. ordered by U.N. tribunal to lift some economic sanctions on Iran
Judges ruled that sanctions reinstated by the Trump administration breached a 1955 treaty between Iran and the United States that predates Iran's Islamic Revolution.
Chemical weapons watchdog augments its accountability powers
As the international organization created to oversee the ban on chemical weapons, OPCW has until now been unable to name those it found responsible for carrying out attacks.
Nuclear watchdogs prepare for potential U.S.-North Korea deal
Two nuclear watchdogs, the IAEA and CTBTO, declared themselves prepared to carry out the monitoring and verification North Korea would need for denuclearization.
'Low profile' multilateralism: North Korea's hidden avenues to the world
A U.S.-North Korea summit could expand a little-known aspect of a tightly controlled and secretive nation: North Korea's extensive involvement with international organizations.
Despite its horrific war, Syria takes helm of U.N. disarmament forum
Diplomats registered protest, outrage and regret that Syrian President Bashar Assad's government would preside over the forum, saying it has no credibility or moral authority.
U.N. chief takes aim at the 'scourge of war' and weapons stockpiles
The U.N. secretary-general launched a campaign underscoring the need for nations to scrap nuclear arsenals and other weapons that could result in catastrophic mistakes.