International Atomic Energy Agency (IAEA) head Rafael Grossi has expressed optimism on talks between the United States and ...

IAEA Director General Rafael Mariano Grossi met high-level officials from the U.S. administration to discuss important ...

Secretary of State Marco Rubio says Iran must give up all nuclear enrichment if it wants to make a deal during talks with the ...

Much remains unknown regarding the progress of Washington’s nuclear talks with Iran, but the head of the U.N. nuclear watchdog, the International Atomic Energy Agency (IAEA), said the ...

Talks between Iran and the United States over Tehran’s rapidly advancing nuclear program are “in a very crucial” stage.

After President Donald Trump pulled the U.S. out of an Iran’s nuclear deal with world powers in his first term, it responded by curtailing access and monitoring by the IAEA at nuclear sites.

The head of the UN nuclear watchdog agency called Wednesday on Iran to explain tunnels built around a nuclear site but voiced ...

The head of the United Nations nuclear watchdog said talks between Iran and the US are at a “crucial stage” and warned they ...

Move unrelated to US-Iran talks but is positive sign of Islamic Republic's willingness to strike deal, Rafael Grossi tells ...

WASHINGTON — Secretary of State Marco Rubio said in an interview released Wednesday that Iran must give up all nuclear ...