Article 29 of the Iran nuclear deal states that no country should discourage trade with Iran, something President Donald Trump has done for some time.
Iran has threatened a "crushing" response to the U.S. potentially designating its elite Islamic Revolutionary Guard Corps as terrorists.
Iran's foreign minister said his country's authority came from its people, not "beautiful" U.S. weapons used by Tehran's foes.
The International Atomic Energy Agency said Iran was in compliance with the 2015 nuclear deal.
Former U.S. and Israeli generals disavow a possible U.S. military strike on Iran, and a European scholar says Trump may find himself isolated.
Trump administration officials are preparing new economic sanctions against Tehran.
Rouhani's victory is a vote of confidence in his reformist vision, but he faces challenges from abroad and home.
U.S. Secretary of State Rex Tillerson said Iran remained a leading state sponsor of terror.
In February, the Trump administration imposed sanctions on 25 individuals and entities in Iran, which it said were just "initial steps" in its effort to counteract what it sees as provocations.
Many fear the consequences if the president-elect follows through on calls to end the agreement.
A side agreement to the Iran nuclear deal has reopened wounds for the families of victims and former hostages.
Make no mistake: We negotiated with terrorists, and the terrorists won.
Shah of Iran made same arguments as Islamic government that would eventually replace him.
An escalating dispute between Iran and the U.S. centers on the types of missile that the Islamic Republic is allowed to develop.
The new measure passed by Congress will prevent visa-free travel to the U.S. for people who have visited Iran or hold Iranian nationality.
The International Atomic Energy Agency found no credible sign of weapons-related work beyond 2009.
Officials learned Iran broke into social media accounts thanks to a new Facebook feature.
The American and Israeli leaders are once again an item, writes BICOM chief executive James Sorene.
The Israeli Prime Minister hopes the talks will help outline a new 10-year military aid package for his country.