A clear sign of a new Iranian nuclear posture will be if incoming president Hassan Rowhani pursues bilateral talks with the United States, says former top U.S. arms official Gary Samore.

Without diplomatic progress over the next several weeks, world powers and Iran may squander their best opportunity for a comprehensive nuclear agreement, says expert Daryl G. Kimball.

Despite heavy vetting of candidates, Iran’s elections for parliament and Assembly of Experts will offer insights into whether hardline or more moderate factions gain influence, says expert Mohammad A…

An interim nuclear accord between Iran and world powers is still within reach despite lingering disagreements over details, says expert Barbara Slavin.

Nuclear diplomacy between Iran and a group of major powers may miss a significant deadline in July, but both sides appear intent to continue, says expert George Perkovich.