A senior Iranian official has announced plans to impose sanctions against U.S. individuals involved in terrorism.

The president’s halt of foreign aid upended two U.S. programs that help the International Atomic Energy Agency find clues ...

The United Nations Security Council will meet behind closed doors on Wednesday over Iran's expansion of its stock of uranium ...

The report by the Vienna-based International Atomic Energy Agency said that as of Feb. 8, Iran has 274.8 kilograms (605.8 ...

Iran's stock of uranium close to weapons grade has jumped since December, two reports by the U.N. nuclear watchdog said on ...

The IAEA Director General reminded the Agency’s Board of Governors today of the precarious nuclear safety situation in Ukraine, and discussed his trip to Fukushima, developments with Iran, reaching ...

To confront Iran’s growing nuclear capabilities, the Trump administration restored maximum pressure on Tehran earlier this ...

The International Atomic Energy Agency (IAEA) said Iran is taking steps to accelerate its near weapons-grade uranium in a broader effort to expand its capability for nuclear warfare, according to ...

The report by the Vienna-based International Atomic Energy Agency said that as of Feb. 8, Iran has 274.8 kilograms (605.8 pounds) of uranium enriched up to 60%. That’s an increase of 92.5 ...

A report by the United Nations’ nuclear watchdog says Iran has accelerated its production of near weapons-grade uranium as tensions between Tehran and Washington rise after the election of U.S. Presid ...