Iran says it has built and will activate a third nuclear enrichment facility, ratcheting up tensions with the U.N.

Iran has warned it will ramp up its nuclear activities after the United Nations nuclear watchdog’s 35-member board of ...

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

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

Iran warned it will retaliate following a decision by the United Nations atomic watchdog to censure the Islamic Republic over ...

The U.N. nuclear watchdog's board of governors declared Iran in breach of its non-proliferation obligations on Thursday and ...

The International Atomic Energy Agency passed a resolution declaring Iran noncompliant with nonproliferation obligations, ...

Iran slammed the International Atomic Energy Agency’s vote as politically motivated as the region gears up for a potential ...

The Senate and the National Assembly have adopted resolutions unanimously condemning Israel's "unjustified and illegitimate ...