The major step is the culmination of several festering stand-offs between the International Atomic Energy Agency and Iran.

Donald Trump says an Israeli attack on Iran "looks like something that could very well happen" as American personnel are ...

Security think tank analysis of recent nuclear watchdog report sheds light on decades of Tehran's secretive activities, ...

The International Atomic Energy Agency's (IAEA) findings could lead to further tensions and set in motion an effort to restore United Nations sanctions on Tehran later this year. Since Iran ...

Iran warned that it will respond “more forcefully and destructively” than ever before if Israel launched a unilateral ...

The U.S. says it wasn't involved in the strikes on Iran, but three American officials told NBC News the U.S. is assisting in ...

The UN nuclear watchdog’s board of governors on Thursday formally found that Iran was not complying with its nuclear ...

Below are key passages from a four-page resolution on Iran that diplomats said the International Atomic Energy Agency's ...

An IAEA report showing Iranian noncompliance in its non-proliferation obligations may have played a major role in Israel's decision to strike.