The International Atomic Energy Agency declared Iran was in breach of its Nuclear Non-Proliferation Treaty obligations by failing cooperate with an probe into undeclared nuclear material and activities at multiple sites.

After decades of threats, Israel launched an audacious attack on Iran, targeting its nuclear sites, scientists and military leaders. Here’s what to know about its controversial nuclear program.

The UN nuclear watchdog has declared Iran in breach of its non-proliferation obligations ... weapons-grade uranium in its May 31 confidential report. The report sternly warned Iran was now ...