The United States and Iran have begun a third round of nuclear talks, entering what experts describe as a more difficult ...

Leaders from the United States and Iran painted a positive but cautious picture of talks between the nations over Iran’s ...

Washington opposes Tehran’s insistence on retaining the ability to enrich uranium, but U.S. calls latest round “productive.” ...

Iran and the United States held in-depth negotiations in Oman over Tehran's rapidly advancing nuclear program on Saturday, ...