The landmark 2015 nuclear deal with world powers, known as the Joint Comprehensive Plan of Action (JCPOA), capped Tehran’s enrichment level at 3.67% and reduced its uranium stockpile to 300 kilograms.

Iran's Supreme Leader Ayatollah Ali Khamenei delivered a fiery speech on Wednesday, condemning U.S. demands over its nuclear program as "rude" and "insolent," and accusing Washington of trying to ...

EDWARD FISHMAN is a Senior Research Scholar at Columbia University’s Center on Global Energy Policy and the author of ...

Iran's supreme leader Ayatollah Ali Khamenei said Wednesday a US proposal for a nuclear agreement was against the national ...

Iran rejected a U.S.-proposed nuclear deal Wednesday, vowing to continue enriching uranium while negotiations appear to be ...

Iran’s supreme leader, Ayatollah Ali Khamenei, said on Wednesday that abandoning uranium enrichment was “100 percent” against ...

Iran’s supreme leader on Wednesday criticized the U.S. proposal for a nuclear deal, signaling a major setback in President Trump’s effort to secure an agreement boxing in the Islamic Republic’s ...

Iran’s Supreme Leader Ayatollah Ali Khamenei criticized a U.S. proposal for a nuclear deal and called American officials “arrogant” for expecting the Islamic Republic to cease uranium enrichment.

Iran's Supreme Leader Ali Khamenei criticized the U.S. proposal for a nuclear deal on Wednesday and stressed Iran won't ...

With peace in Ukraine and Gaza both looking increasingly unlikely, the president now seems to be captivated by the prospect ...

Iran and the United States held the fifth round of talks on Tehran's nuclear program in Rome on May 23, it was mediated by Oman. Head of the Omani Foreign Ministry, Badr al-Busaidi, said that "certain ...

Iranian Supreme Leader Ayatollah Ali Khamenei has rejected a US proposal on Iran’s nuclear program that demands giving up ...