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 U.S. confirmed that a second round of talks over Iran’s nuclear program would take place this weekend in Rome.

Iran said it won’t be drawn into negotiations with the US over its ability to enrich uranium and warned that fledgling ...

Israel developed plans for attacking Iranian nuclear facilities that would have required U.S. assistance. But some ...

The Prime Minister's office responded to a report that Israel was ready to strike Iran, but the US President stopped it and ...

Energy Secretary Chris Wright joins 'America's Newsroom' to discuss U.S. entering talks with Saudi Arabia on nuclear tech ...