U.N. nuclear monitors said Friday they were able to see all that they wanted on their visit to the plutonium-producing reactor that North Korea has pledged to shut down in return for aid.

U.N. nuclear watchdog officials visiting North Korea traveled on Thursday to a reactor complex that the secretive state has promised to mothball under an aid-for-disarmament deal.

The United Nations' nuclear watchdog says Iran has invited it to send a team to Tehran to agree how to resolve questions about Iran's contested atomic program.

The head of Iran's Supreme National Security Council, Ali Larijani, is expected to meet today with Muhammad el-Baradei, chief of the UN's International Atomic Energy Agency.

A UN Security Council resolution on Iran may be approved only after the international nuclear watchdog formally condemns Iran's nuclear record, Russia's foreign minister said Wednesday.

The International Atomic Energy Agency (IAEA) has wrapped up discussions in Vienna on Iran's nuclear program, with Iran's ambassador saying Tehran could further reduce cooperation with the agency if the Islamic Republic is slapped with new sanctions.

Radio Farda spoke with the United States' permanent representative to Vienna, Gregory Schulte, ahead of meetings of the International Atomic Energy Agency's (IAEA) governing board at which member states were expected to discuss Iran's disputed nuclear program.

Talks between the head of the United Nations nuclear agency and high-ranking Iranian officials to discuss Iran's nuclear program have been canceled.

The head of the UN's nuclear watchdog agency says the international dispute over Iran's nuclear program "needs to be defused."

The chief of the U.N. nuclear agency, Mohamed ElBaradei, and the Italian Foreign Minister Massimo D'Alema are stressing the need for the international community to strengthen the nuclear non-proliferation treaty to avoid nuclear stand-offs such as the one with Iran. Sabina Castelfranco reports from Rome.

The United Nations nuclear watchdog agency has launched a new laboratory in Austria to train medical professionals from developing countries to use high-tech technologies to save lives.

The head of the UN's nuclear guardian has estimated that Iran could build a nuclear weapon within "three to eight years" -- if it chose that path -- and urged both sides in the international standoff with Iran to pursue negotiations.