European diplomats to continue Iranian nuclear talks after Istanbul
Talks between the E3 and Iran marked their first formal round since the 12-day conflict with Israel and the U.S. in June.
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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U.N. launches new nuclear war impact study, first since 1988
A prevous study on climatic and global effects of nuclear war raised awareness of the concept of "nuclear winter."
Europe issues ultimatum to Iran as the nuclear deal deadline looms
Britain, France and Germany threaten to reimpose sanctions if there is no progress on limiting Tehran's nuclear program.
Nuclear inspectors leave Iran after cooperation halted over airstrikes
Despite blocking IAEA inspectors from tracking uranium enrichment, Tehran says diplomatic channels remain open.
U.N. nuclear watchdog calls Israel-Iran attacks 'deeply concerning'
Iran retaliated - and Israel and Iran risked all-out war - after IAEA board's found Tehran breached nonproliferation duties.
Nuclear weapons spending globally surpassed $100 billion last year
Nuclear-armed nations possess about 12,400 nuclear warheads, but nearly 90% belong to Russia and the U.S.
U.S.-Iran nuclear talks advance as IAEA points to 'crucial' timing
Washington and Tehran held a second round of negotiations. The U.N. watchdog said an Iranian atomic bomb is 'not far off.'
Ukraine's shattered deal: nuclear weapons for security assurances
More than 30 years later, Ukraine is fighting for its survival as it laments the Budapest Memorandum's broken promises.
Watchdog discusses 'next steps' to eliminate chemical weapons in Syria
It was OPCW's first visit to Damascus since Bashar Assad's dramatic overthrow at the hands of Islamist-led rebels.
Symbolic 'Doomsday Clock' moves closest ever to human extinction
Atomic scientists reset the Clock to the closest point to the symbolic hour of apocalpyse it has ever been since 1947.
Iran and European powers resume nuclear discussions at Geneva
The secretive meetings reflect worries about Iran's nuclear program, its military aid to Russia, and Middle East tensions.
Global chemical weapons watchdog calls emergency session over Syria
A technical team has worked for years to address the 'gaps, discrepancies and inconsistencies' in Syria’s disclosure.
Iran and European powers to sustain nuclear talks after Geneva meeting
Switzerland hosted Britain, France, Germany and Iran for talks on several issues, including Tehran's nuclear program.
Ukraine nuclear plant's safety deteriorates after drone strike
The IAEA's director general says he is 'extremely concerned' about safety at Zaporizhzhia after a nearby drone attack.
Atomic watchdog alert to risk of fighting near Russian nuclear plant
IAEA is monitoring the fighting from Ukraine's assault with thousands of troops near Kursk's six reactor units.
NATO's most powerful member tries to reassure rest of alliance and world
As summit host, Biden's administration projected unity for Ukraine and deflected concern about Trump.