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

European powers and the United States have submitted a resolution censuring Iran for its poor cooperation with the UN nuclear ...

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 -- backed by the United States -- are pushing ahead with a plan to censure Iran for its poor cooperation with ...

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

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

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 ...

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 ...