IAEA team to inspect damaged Ukraine plant
The U.N.'s nuclear watchdog dispatched a team of inspectors on an urgent mission to secure Ukraine's Russian-controlled Zaporizhzhia power station.
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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Russia blocks outcome of nuclear treaty conference
After four weeks, a crucial session to shore up the world's nuclear arms control regime ended without agreement when Russia rejected a reference to Ukraine.
U.N. chief warns nuclear 'guardrails' weakening
The world is perilously close to blundering into nuclear catastrophe, the U.N. secretary-general told a conference on a cornerstone of global nonproliferation.
World's nuclear arsenal predicted to grow
Nuclear arsenals among nine nations are expected to grow over the next decade in a reversal of a post-Cold War decline, a Swedish think tank reports.
North Korea leads disarmament forum
North Korea took over the presidency of the U.N. Conference on Disarmament, drawing stern criticism from a quarter of the world body's 193 members.
Geneva hosts U.S.-Russia security talks
Diplomats from the U.S. and Russia held a new round of discussions in Geneva seeking ways to defuse rising tensions and to avoid a new nuclear arms race.
Open Skies lapse weakens U.S.-Russia ties
Russia withdrew from a treaty meant to lower the risk of conflict between Western nations and post-Soviet Russia, soon after the U.S. abandoned it.
OPCW points to 17 chemical attacks in Syria
Chemical weapons were used or likely used in at least 17 attacks in Syria, the international chemical weapons watchdog told the U.N. Security Council.
Diplomats see progress on Iran nuclear talks
Major powers completed a third round of talks in Vienna amid "cautious and growing optimism," seeking ways to resuscitate the 2015 Iranian nuclear deal.
Iran trumpets nuclear progress amid U.S. talks
After a week of U.S.-Iran proximity talks on the 2015 nuclear deal, Iran's president announced Tehran is testing a centrifuge to speed uranium enrichment.
U.N. says U.K. nuke plans would violate NPT
The U.K.'s decision to boost its nuclear warhead stockpile would breach the 1970 Nuclear Nonproliferation Treaty, a U.N. spokesperson said.
IAEA to get 'less access' to Iran nuclear sites
The head of the U.N. atomic watchdog agency and Iranian top officials announced Tehran will give international inspectors reduced access to nuclear sites.
Top U.N. court to hear Iran's case against U.S.
ICJ ruled it has jurisdiction to hear Iran's case challenging the U.S. economic sanctions reimposed by the former Trump administration in 2018.
U.S. and Russia renew New START Treaty
The Biden administration restored some stability to nonproliferation efforts by extending the last major U.S.-Russia nuclear treaty for another five years.
Nuclear weapons ban enters into force
Advocates of world peace celebrated "EntryIntoForceDay" as the first legally binding treaty to ban nuclear weapons finally became international law.
Biden favors renewal of U.S.-Russia nuke accord
U.S. President Joe Biden proposed seeking an extension to the last major U.S.-Russia nuclear accord, which the Trump administration decided to let lapse.