UN atomic watchdog chief Rafael Grossi on Wednesday welcomed Iran's "concrete step" on agreeing to cap its stockpile of ...

International Atomic Energy Agency chief Rafael Grossi said Iran has accepted a request to stop increasing its 60% uranium ...

Iran has defied international demands to rein in its nuclear program and has increased its stockpile of uranium enriched to ...

Advances in its nuclear program could complicate the president-elect’s efforts to contain Iran.

Prime Minister Benjamin Netanyahu said on Monday that Israel's air attack on Iran last month hit an element of Tehran's ...

European powers and the United States are moving ahead with a plan to censure Iran for its poor cooperation with the UN ...

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

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

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

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

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

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