US officials have voiced increasing pessimism regarding the chances for an agreement; Ebrahim Raisi is likely to take an even tougher approach with the West

In blow to JCPOA revival efforts, Tehran notifies parties it's staying away from negotiation table until after relatively relatively moderate Rouhani vacates office in August

Outgoing Iranian president claims Tehran 'can do anything in the peaceful path,' criticizes ruling theocracy for not letting government seal agreement to restore 2015 nuclear deal

Foreign ministry official in Riyadh says moves by Tehran to enrich uranium to 20% 'represent an increasing threat' to regional security and non-proliferation efforts

Washington cautions Tehran to end its nuclear 'brinkmanship'; Britain, France, Germany express 'grave concern' at latest move violating 2015 nuclear pact they are trying to save

In reversal, Iranian government acknowledges damage to Karaj facility, says strike was meant to thwart Vienna talks on reviving nuclear deal

Incident latest in series of mysterious blasts and malfunctions in Iran, many of which Islamic Republic has blamed on Israel

Following Stockholm Initiative meeting in Madrid, member countries renew appeal to all nuclear powers to promote disarmament by adopting significant measures to comply with NPT

Public broadcaster says head of international think tank tracking Iran's nuclear program and others believe equipment at Karaj facility was completely destroyed or disabled

Gadi Eisenkot appears to imply US exit from accord was a mistake; also pans 'irresponsible' comments on covert Israeli actions, in seeming criticism of former Mossad chief, PM