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

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

Since returning to the White House, President Trump has been pushing for talks while increasing sanctions and suggesting a ...

Iran and the United States have held talks in the sultanate of Oman in an attempt to jump-start negotiations over Tehran’s ...

Iran courts Saudi Arabia ahead of U.S. nuclear talks as doubts over their success push the region closer to conflict ...

Iran and the United States began talks in Oman on Saturday aimed at jump-starting negotiations over Tehran's fast-advancing ...

Iran and the US have see-sawed between enmity and grudging diplomacy in the years since, with relations peaking when Tehran ...

The U.S. and Iran held rare face-to-face nuclear talks in Oman Saturday. The Trump administration is pushing for diplomacy ...

A first step toward breaking the deadlock over Tehran’s nuclear program and easing tensions with the US spurred a rebound in ...

The US can choose the course ... from the accord, sparking tensions in the Mideast that persist today. Associated Press writer Amir Vahdat in Tehran, Iran, contributed to this report.

Explore the intricate history of tensions between Iran and the US as nuclear negotiations resume in Oman, tracing back ...

Here's what to know about the letter, Iran's nuclear program and the tensions that have stalked ... breach of promises that has caused issues for us so far,” Pezeshkian said in televised remarks ...