The Islamic Republic displayed its military might, parading thousands of troops through the streets of the capital, Tehran, ...

The United States and Iran are due to hold their second round of nuclear talks on Saturday, as what both sides are looking ...

As far as biographies go, the two men in charge of the delicate negotiations between Iran and the United States over Tehran’s ...

NBC News’ Richard Engel reports on the ground in Tehran tonight as nuclear talks between the U.S. and Iran are set to resume ...

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

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

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

Iran's Foreign Minister Abbas Araghchi said he briefed his Russian counterpart, Sergey Lavrov, on the first round of talks in ...

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

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

Iran has warned the United States that its apparently contradictory statements on nuclear talks put them at risk of falling ...

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