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

As momentum behind negotiations to lock in a nuclear deal between the United States and Iran appears to be fading, CNN’s Fred ...

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

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

Four top Princeton University experts sketch a possible regional multinational nuclear consortium whose initial core partners ...

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

A classified International Atomic Energy Agency report found Iran, since February, produced 300 pounds of uranium enriched to ...

The outline of the U.S. offer to Iran in their high-stakes negotiations over Tehran’s nuclear program is starting to become ...

Near-term progress in a renewed nuclear agreement between the United States and Iran could add further downward pressure to a ...

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

Iran and the United States are preparing for a fifth round of negotiations over Tehran’s rapidly advancing nuclear program, ...