Iran is looking to project its military power and establish ties abroad at a time when the U.S., Israel and Saudi Arabia have tried to isolate it.
Randy Schriver said he supported talking to the notoriously reclusive, militarized state in order to avoid a war breaking out.
When Tehran was struck by deadly ISIS attacks in June, President Donald Trump took the opportunity to blame Iran's government.
Ayatollah Ali Khamenei said President Donald Trump has insulted the Iranian people ahead of an important national holiday.
Iran has sentenced doctor Ahmadreza Djalali to death for his allegedly being a Mossad agent, despite calls for his release from abroad.
The president says Iran is has “multiple violations of the agreement,” but those around him don't seem to agree.
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.
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.
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.
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.