Iran is dangerously close to developing an atomic weapon, warned the International Atomic Energy Agency hours before the UN watchdog's chief is expected to leave for Tehran.

Western countries have long suspected Iran of seeking to acquire nuclear weapons, an allegation Tehran has consistently denied, insisting that its programme is for peaceful civilian purposes.

Russia's upper house of parliament ratified a key strategic partnership deal signed between Moscow and Tehran on Wednesday.

The Treasury Department has imposed sanctions on a Chinese oil refinery that's accused of purchasing more than $1 billion ...

Iran confirmed Wednesday that the next round of nuclear talks with the United States this weekend will be held in Rome after earlier confusion over where the negotiations would be held.

Ukrainian Economy Minister Yulia Svyrydenko said there has been "significant progress" in negotiations with the United States ...

Earlier, official representative of Iran’s Foreign Ministry Ismail Baghaei said that the next round of negotiations would be held in the capital of Oman ...

Iranian Deputy Foreign Minister Kazem Gharibabadi announced that Grossi is scheduled to arrive in Tehran on the evening of April 16 for meetings with Araghchi and Mohammad Eslami, the head of the Atom ...

The United States on Wednesday issued new sanctions targeting Iran's oil exports, including against a China-based "teapot ...