GENEVA, Switzerland, Oct. 2 (UPI) -- Iran agreed to transfer the bulk of its known nuclear fuel to Russia and France for enrichment, Western officials said.

GENEVA, Switzerland, Oct. 1 (UPI) -- Iran will open its new nuclear enrichment plant for U.N. inspectors following the first direct negotiations between the United States and Iran in three decades.

VIENNA, Sept. 30 (UPI) -- Iran broke the law by not revealing construction of a new uranium enrichment facility sooner than it did, the International Atomic Energy Agency chief said.

VIENNA, Sept. 15 (UPI) -- Iran has agreed to new terms of cooperation with the International Atomic Energy Agency, the U.N. watchdog investigating Tehran's nuclear program.

TEHRAN, Sept. 7 (UPI) -- Iranian President Mahmoud Ahmadinejad says he doesn't recognize any deadlines for responding to nuclear negotiation offers.

TEHRAN, Aug. 26 (UPI) -- U.S. and European officials are pushing the U.N. nuclear watchdog to publish evidence they say points to Iran's push to build a nuclear weapon, officials said.

TEHRAN, June 17 (UPI) -- Iran appears to be mastering nuclear technology so it could have the option of a nuclear weapon, the head of the international nuclear watchdog IAEA said.

TOKYO, May 17 (UPI) -- In a joint declaration published in a Japanese newspaper Monday, 17 Nobel Peace laureates called for a nuclear weapons-free world.

WASHINGTON, Nov. 25 (UPI) -- The United States says a decision by the International Atomic Energy Agency to help Syria build a civilian nuclear power plant is "inappropriate."