A breakthrough would be an unexpected twist in the president’s diplomatic approach: After pulling out of the Obama-era Iran ...

Iran’s top diplomat said Tuesday that a US proposal for a new nuclear agreement contains "many ambiguities and questions".

The interim step, proposed by special envoy Witkoff, could allow Iran to temporarily enrich uranium, though the specific ...

An outline by the Trump administration would allow Iran to continue enriching uranium at low levels while a broader ...

Analysis: An outline is emerging of the US offer to Iran in their high-stakes nuclear negotiations - The outline of the U.S.

While Iran had notified the International Atomic Energy Agency that hundreds of extra IR-6 centrifuges would be installed at Fordow, the inspectors had no idea where the sophisticated machines had ...

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

U.N. inspectors monitoring Iran's Fordow nuclear site confronted a major gap in their knowledge last year as they watched ...

Mediated by Oman, the offer was presented amid stalled negotiations and heightened tensions between Washington and Teheran.

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

NPR's Scott Detrow speaks with former Iran nuclear negotiator Seyed Hossein Mousavian about the ongoing talks between the U.S. and Iran over the latter's nuclear program.

The Iranian Foreign Minister spoke by phone with the director of the U.N.’s nuclear watchdog agency early Sunday morning after a report from the agency said Iran ...