Key Points and Summary: The UK, France, and Germany (the E3) have formally warned the United Nations that they are prepared ...

Tehran has said it remains open to restarting direct talks with the U.S., but stopped short of accepting the terms to abandon its uranium enrichment program.

Iran has conceded it will limit its nuclear programme and reduce uranium enrichment levels if the United States lifts ...

Top Iranian security official signals it may resume nuclear negotiations if the U.S. abandons military options.

Iran plans to hold nuclear talks with European nations this week in Turkey. The discussions, set for Friday in Istanbul, will ...

Britain, Germany and France have told UN officials that snapback sanctions are on the table if Iran does not sit down to ...

France, the U.K., and Germany are threatening to reinstate full U.N. sanctions on Iran if it doesn't come back to the nuclear ...

France, the U.K., and Germany jointly threatened to reimpose sanctions on Iran at the end of August if they don't resume negotiations over its nuclear program.

The E3 letter follows months of diplomatic stalemate, particularly after a 12-day war between Iran and Israel in June.

Former Iranian president Hassan Rouhani criticized his government's Middle East strategy on Thursday in comments published by ...

The process of uranium enrichment increases the concentration of U-235, an isotope that can sustain a nuclear chain reaction. Beginning in 2006, the U.N. Security Council called on Iran to suspend all ...

The terms of the nuclear agreement require the State Department to update Congress on Iran’s compliance every 90 days. Tillerson’s letter noted that Iran is meeting the deal’s requirements.