The nuclear watchdog chief Rafael Mariano Grossi told Fox News there was "no information" about the material's whereabouts.

There is a chance that much of Iran's highly enriched uranium survived Israeli and U.S. attacks because it may have been ...

Inspectors should be allowed to “account for the stockpiles of uranium, including, most importantly, the 400kg enriched to 60 ...

The president said such an outcome was unlikely, describing Iran as exhausted from the damage it had suffered and eager to ...

U.S. intelligence agencies had long assessed that, faced with the possibility of an attack on its nuclear facilities, Iran ...

Destroyed, degraded or undiminished: What word best describes the state of Iran’s nuclear program after the U.S. struck three ...

The US military did not use bunker-buster bombs on one of Iran’s largest nuclear sites last weekend because the site is so ...

Amid mystery about the location of Iran’s uranium stockpile and reports it could have been moved out before US strikes, an ...

A senior Iranian source told Reuters that "almost all" of Iran's highly enriched uranium had been transferred to a secret location.

The U.S. was one of the parties to the 2015 nuclear deal in which Iran agreed to limits on its uranium enrichment program in ...

Countries without nuclear weapons could decide nuclear nonproliferation and transparency efforts that the world has taken for ...

The talks were reportedly held in a hush-hush manner as Iran and Israel continued to strike a flurry of drones and missiles ...