The future of high-stakes negotiations over Iran's nuclear program remains shrouded in uncertainty as the U.S. and Iran ...

Iran’s supreme leader criticized an initial proposal from the United States in negotiations over Tehran’s nuclear program.

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

The U.S. will reportedly allow Iran to enrich civilian-grade uranium in a proposed nuclear deal, marking a major concession ...

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

Iran’s supreme leader has denounced a proposal by the United States aimed at curbing Tehran’s nuclear efforts and demanded ...

Iran’s supreme leader effectively rejected a U.S. proposal that allows temporary uranium enrichment in the country before ...

Iranian Supreme Leader Ali Khamenei appeared to reject the framework of the United States’s proposal for a new deal relating ...

Iran is currently reviewing a formal U.S. nuclear deal proposal as both sides remain deeply divided over uranium enrichment ...

Iran's stance directly clashes with U.S. President Donald Trump 's position that Iran must halt all enrichment amid ...

An IAEA report on Iran's uranium stockpile increase prompted the White House on Saturday to urge its acceptance of a proposal ...