The U.N. nuclear watchdog says Iran has further increased its stockpile of uranium enriched to near weapons-grade levels.

Key blind spots include not knowing how many centrifuges Iran possesses or where the machines and their parts are produced ...

Iran's foreign ministry and the Iranian nuclear agency rejected the report, calling it "politically motivated" in a joint ...

Iran’s intelligence agency says it has obtained thousands of secret documents detailing Israel’s nuclear program.

Iran lashes out at Austria after a report claims Tehran has an advanced nuclear weapons program, sparking diplomatic tensions ...

A new Austrian intelligence reports says Iran is continuing with its nuclear program as the U.S. and Iran hold indirect talks ...

The U.N. atomic agency reports that Iran hasn’t cooperated with a nuclear probe, raising the prospect of a snapback of ...

Prime Minister Benjamin Netanyahu, wary of a diplomatic solution to curbing Iran’s nuclear program, continues to press for ...

He reiterated that Iran is a "staunch opponent of nuclear weapons and other weapons of mass destruction," and urged the ...