Country's atomic agency says it has provided 'explanations' about altered configuration of devices and the matter has been resolved

IAEA chief Rafael Grossi says he may return to Iran to jumpstart 'much needed' talks to curb atomic program, notes 'big, big impasse'

US is moving forward with unilateral and multilateral measures to hold Iran to account over cooperation with Moscow and crackdown on protesters, secretary of state says

PM says allied nations are closer aligned than ever before on threat posed by Islamic Republic, as Dermer lands in Washington for meetings with Biden officials on issue

Clip from November shows US president telling activists who pulled him aside in California that he won't declare publicly that deal is dead; Bennett takes credit for development

Jordan set to host 'Baghdad II' conference, bringing together Iraq, France and main players in Mideast, including rivals Iran and Saudi Arabia, in effort to defuse tensions

Motion demands Tehran cooperate with IAEA after it reports 'no progress' in investigation into undeclared nuclear material

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

Biden and other US leaders celebrate Israel's 'historic' border agreement with Beirut, but are more muted on Tehran, as they appear to lose hope in nuclear talks

American officials have lost faith in Iranian side in negotiations, and are struggling to square push to revive deal as Tehran cracks down on protesters and aids Russian attacks