Rafael Grossi, the head of the International Atomic Energy Agency (IAEA), is in Tehran on Thursday to continue negotiations ...

The UN nuclear chief toured two Iranian uranium enrichment plants that have been the focus of Western concern on Friday after ...

A secret Iranian nuclear weapons research facility was destroyed in Israel’s attack on the Islamic Republic last month, ...

The head of the U.N. nuclear watchdog visited two Iranian nuclear sites on Friday as part of a visit to Iran, ahead of an ...

Israel's airstrikes on Iran last month destroyed a top-secret Iranian nuclear research facility at Parchin, according to ...

Rafael Grossi, head of the International Atomic Energy Agency, the U.N. nuclear watchdog, says the window of opportunity to ...

In late October, an Israeli airstrike destroyed Iran's Taleghan 2 facility near Tehran, previously thought inactive, ...

Iran has long accused Israel of targeting its nuclear program through covert operations. Israeli officials, in turn, have ...

IAEA chief Rafael Grossi meets with Iranian Foreign Minister Abbas Araghchi in Tehran for nuclear negotiations.

Iran insisted it remains open to negotiation for safeguards on its nuclear program in a series of meetings with the United ...

Rafael Mariano Grossi of the IAEA was visiting Tehran in an effort to restore his inspectors' access to Iran's program and ...

International Atomic Energy Agency chief Rafael Grossi met Iran’s top diplomat Thursday as he began crunch nuclear talks in ...