There is an opportunity to resolve some of the rivalry's thorniest issues if the two sides are just willing to sit down and talk.
Latest in Iran
Relationships with terrorist and militant groups are integral to Iran’s foreign policy.
Iran's wily hardline former president just registered to run again, but what are his real intentions?
What's up with Iran's most recent ballistic missile test, and how does it relate to the international nuclear deal?
The Trump administration's executive order on immigration and refugees will backfire even in its effort to target one of the United States' adversaries.
President Trump faces a range of challenges and opportunities in his policy toward Iran. Ariane Tabatabai and Dina Esfandiary offer a roadmap to navigate this complicated relationship.
Iran's foremost political survivor, one of the last members of the revolutionary generation, is dead. Where does the Islamic Republic go from here?
Oman has tried to position itself as the Middle East's honest broker, but Saudi Arabia is pulling it toward the Gulf consensus.
If President-elect Donald Trump chooses to undo the Iran nuclear agreement, he'll face to overcome his own flawed assumptions first.
Middle East Ticker: Assad Regime Corners Rebels in Aleppo, U.S. Reauthorizes Iran Sanctions, and Islamic State Prepares Its Fallback Plan
The Assad regime has captured 70 percent of eastern Aleppo and isn’t letting up, experts and foreign governments defend the Iran nuclear deal, and the Islamic State is ready to retreat to Deir Ezzor.