The U.N. nuclear watchdog’s board has condemned Iran for failing to cooperate fully with the agency, the second time it has ...

Iran said Friday it had begun commissioning new advanced uranium-enrichment centrifuges after it was censured by the ...

The action could lead to sanctions against Tehran, which has barred international monitoring of its accelerated uranium ...

Iran announced Friday it was activating new advanced centrifuges – which enrich uranium for the country’s nuclear program – ...

Iran said it will increase its nuclear fuel-making capacity after it was censured by the United Nations atomic watchdog, ...

The UN nuclear watchdog's board of governors passed a resolution chiding Iran's poor cooperation with the agency after hours ...

The International Atomic Energy Agency also called on Tehran to provide answers in a long-running investigation into uranium ...

President-elect Trump will take office just as Iran has the potential to become the world’s 10th nuclear-armed state, and ...

Three U.S. NATO allies have been warned by Iran against demanding it cooperates with an atomic energy watchdog to prove it is ...

Before Donald J. Trump takes office, the West wants to call out Iran for failing to adhere to treaty obligations to be ...

Iran has increased its nearly weapons-grade uranium, a United Nations watchdog found, defying international demands to rein ...

Advances in its nuclear program could complicate the president-elect’s efforts to contain Iran.