IAEA report says Tehran now has 62.3 kilograms of uranium enriched to up to 60% fissile purity, which is a short step away from weapons-grade levels

CNN says Tehran asked Kremlin for nuclear material and fuel; could shorten the time it would take to build a nuclear weapon

Tehran's foreign minister says delegation will aim to resolve 'accusations' against Iran on undeclared nuclear sites, seen as a key stumbling block to reaching nuclear deal

Moscow has made unsubstantiated accusations that Ukraine is preparing to use an explosive laced with radioactive materials

Near front lines of fighting, Europe's largest nuclear plant relying on backup generators as 'last defense' before nuclear disaster; Moscow arrests 8 in connection to bridge blast

IAEA update finds installation of advanced centrifuges now complete at Natanz underground plant; Tehran says plans to add even more of devices banned under 2015 deal

International Atomic Energy Agency describes 'temporary relief' over Zaporizhzhia plant but fears of atomic accident remain high

Strikes trap at least 5 in Russian-annexed area; UN watchdog head to visit Kyiv and Moscow after Putin signed decree declaring Russian control over nuclear site

At annual conference, Atomic Energy Commission chief Moshe Edri says Tehran and Damascus are deceiving IAEA

'Dialogue has restarted with Iran on clarification of outstanding safeguards issues,' Rafael Grossi says after declaring UN watchdog won't close probe opposed by Tehran