U.S. response calibration: If Trump escalates economically and militarily, Russian assets—already radioactive—will face a ...

Manila Electric Co. of tycoon Manuel V. Pangilinan is heading to South Korea in July to deepen ties for its nuke dreams and ...

The message came after Ukraine’s forces wiped out and damaged 41 of the Kremlin’s nuclear bombers and aircraft, attacking at ...

NPR's Scott Detrow speaks with former Iran nuclear negotiator Seyed Hossein Mousavian about the ongoing talks between the U.S. and Iran over the latter's nuclear program.

A classified UN report found that Iran has sharply increased its uranium stockpile since February. This comes just as the U.S ...

The Iranian Foreign Minister says he has spoken by phone with the director of the U.N.’s nuclear watchdog agency after a ...

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

In a separate report, the agency called on Tehran to urgently change course and comply with its years-long probe.

The preliminary U.S. proposal came as a confidential U.N. report described an Iranian initiative that had multiplied Tehran’s ...

Former national security adviser John Bolton argued during a recent interview that nuclear deal negotiations between the U.S. and Iran are “fruitless” and Israel’s potential strikes against ...

The U.S. Nuclear Regulatory Commission on Thursday approved NuScale Power's design for 77 megawatt reactors, clearing a ...

Senior Iranian officials on Thursday dismissed speculation about an imminent nuclear deal with the United States, emphasizing ...