That's what the head of the United Nations' nuclear watchdog said Thursday while on a visit to the Islamic Republic.

Talks between Iran and the United States over Tehran’s rapidly advancing nuclear program are “in a very crucial” stage.

The UN nuclear watchdog should play a role in nuclear talks between Tehran and Washington, International Atomic Energy Agency ...

Saudi Defense Minister Prince Khalid bin Salman Al Saud arrived in Tehran on Thursday, in a rare visit for a senior Saudi ...

But Iran’s foreign minister said Tehran planned to participate “calmly and coolly” in the negotiations. Both sides will meet ...

Iranian state television has confirmed that the second round of Iran-U.S. nuclear talks will be held in Rome after earlier ...

U.S. President Donald Trump waved off a planned Israeli strike on Iranian nuclear sites in favor of negotiating a deal with ...

Iran and the United States appear to be giving diplomacy a chance over Tehran's nuclear program − for now. Here's what you ...

Make Iran dismantle its nuclear and missile programs. Then its top negotiator started softening his tone, and had to retreat.

US envoy Steve Witkoff has said that moving forward, talks with Iran would be about verification of its nuclear program.

LONDON -- The Iranian Foreign Ministry announced that the second round of indirect talks with the United States are expected ...

Iranian Foreign Minister Abbas Araghchi, says Tehran's right to uranium enrichment is non-negotiable as Washington demands ...