Addressing UN atomic watchdog, Ali Akbar Salehi says accord ‘caught in quasi-stalemate situation’ since US pullout, but asserts there’s broad agreement it merits fighting for

Tehran announced resumption of enrichment at Fordo site last November in a further step away from 2015 nuclear accord abandoned by Washington in May 2018

Tehran's nuclear chief says work has already begun on facility to replace Natanz, damaged in mysterious July 2 explosion

In message marking country's national nuclear day, Ali Akbar Salehi also touts efforts to construct 2 new reactors at Bushehr plant

In warning to Washington, Tehran's nuclear chief says Islamic Republic 'will never hesitate to strike back when necessary'

Iran's Atomic Energy Organization and its head Ali Akbar Salehi face sanctions, but foreign companies working on Tehran's civilian nuclear program are still exempt

Operating secondary heat transfer circuit doesn't violate 2015 nuclear deal, but it is a step closer to producing weapons-grade material

Ali Akbar Salehi says production of low-enriched uranium increasing after operations at Fordo underground site resumed; Rouhani: Nuke deal could open up international arms sales

As 2015 atomic deal crumbles, officials say Islamic Republic harassed IAEA official at Natanz site

State Dept.: Iran's move will 'deepen its political, economic isolation'; Tehran brags of heavy water sales contravening sanctions; bans cooperation with outlawed UK cultural body