The Pentagon is conducting a major review as Iran announces the U.S. military has been added to a list of groups threatening regional stability.
Former officials who played a key role in negotiating the 2015 Iran Deal say President Donald Trump's unilateral actions are risking U.S. credibility abroad.
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.
On Iran, William Perry is clear: "If the deal were abandoned...Iran will resume the nuclear program they had before."
The Trump administration is reportedly considering designating Iran's elite Islamic Revolutionary Guard Corps (IRGC) a terrorist organization.
Iran has threatened a "crushing" response to the U.S. potentially designating its elite Islamic Revolutionary Guard Corps as terrorists.
Mohammad Javad Zarif, Iran's foreign minister, spoke to Newsweek about Syria, the nuclear negotiations, and who is a better negotiator, himself or Trump.
Iran's foreign minister said his country's authority came from its people, not "beautiful" U.S. weapons used by Tehran's foes.
The announcement of the new plans for Iran's navy come amid ratcheting tensions between Iran and the United States.
The video released by the Iranian government was more than seven months old.
Secretary of State Rex Tillerson said Wednesday that he was surprised by the president's sudden announcement.
The International Atomic Energy Agency said Iran was in compliance with the 2015 nuclear deal.
"The Americans will take this dream to their graves," a senior adviser to Ayatollah Ali Khamenei said,
The bill, a reaction to U.S. sanctions, will increase the country's military and intelligence budget by $800 million.
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.
It is actually the United States, not Iran, that appears to be in breach of the Iran nuke deal.
The decision comes after the U.S. declared that while the Islamic Republic is not in breach of the nuclear deal, it is not living up to the spirit of the accord.
More than 64 years after the CIA helped overthrow Iran's democratically elected government, the country reacted to recent U.S. comments on regime change.
In a speech at Harvard Kenny School of Government, Kerry joked that Russian language skills are now more useful for gaining political power than running for office or getting a good degree.
Rouhani's victory is a vote of confidence in his reformist vision, but he faces challenges from abroad and home.