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

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

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

Russian and Ukrainian officials are due to hold peace talks in Istanbul with no sign they are any closer to an agreement.

The U.N. atomic agency reports that Iran hasn’t cooperated with a nuclear probe, raising the prospect of a snapback of ...

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

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

A senior Iranian official told CNN the new nuclear deal proposal presented to Tehran in recent days is “incoherent and ...

Iran's Supreme Leader Ayatollah Ali Khamenei said that abandoning uranium enrichment was "100%" against the country's ...

Following a lengthy call, Trump said Putin could help bring Iran to a nuclear agreement and warned Tehran's delay must end ...

Iran pressed the United States on Monday for guarantees that it will drop sanctions as a condition for a nuclear deal, after ...