War would harm Trump's 2020 reelection bid, Iran president says.

Diplomats from nations that lost citizens when Iran shot down a Ukrainian airliner are pushing Iran’s foreign minister for more cooperation on the investigation and other issues

Iranians are faced with crucial questions on the future of the country on the 41st anniversary of the Islamic Revolution.

State media said rallies would take place in more than 5,000 places.

Hundreds of thousands across Iran marked the anniversary of its 1979 Islamic Revolution against a backdrop of escalating tensions with the United States.

More troops suffer aftereffects of the Iranian missile attack last month in Iraq

The head of Iran's nuclear program says the U.S. killing of a high-ranking Iranian general weakened the fight against the Islamic State extremist group in the region

New setback for a program U.S. claims helps Tehran's ballistic missile program.

An Iranian lawyer says his clients, two French researchers held for months in a Tehran prison, have petitioned prison authorities to allow them to get married

Iran says its top court has confirmed a death sentence for an Iranian man convicted of spying for the CIA

The Pentagon now says Trump is "very concerned" about the traumatic brain injuries suffered by 50 service members following the Iran missile attack.

Iran’s nuclear energy organization called recent sanctions on the head of the agency by the U.S. an “unwise move" that won't interrupt Iran's peaceful nuclear policies

Brian Hook, the U.S. special representative for Iran, said Thursday that the Iranian regime had diverted humanitarian money and goods to its elite members.

The Pentagon announced that 50 American soldiers suffered traumatic brain injuries after the Iranian missile attack on a U.S. base in Iraq earlier this month.

Pentagon says 50 U.S. military service members suffered Traumatic Brain Injuries as a result of the Iranian missile attack on a base in Iraq.

The incident happened in the southern city of Mahshahr.

A US drone strike that killed an Iranian general hasn't ended hopes for a deal.

The number of American service members suffering from traumatic brain injury has tripled, the Pentagon said.

The Pentagon said nearly three dozen service members were diagnosed with traumatic brain injuries after an Iranian missile strike on a U.S. base in Iraq.

Pentagon now says 34 service members have been diagnosed with Traumatic Brain Injuries or concussions from Iranian missile attack.

The Trump administration is barring Iranian investors and business people from entering or staying in the United States on certain types of visas

Iran's official news agency says that masked gunmen ambushed and killed the local commander of a paramilitary security force in a southwestern town

Eleven service members were treated for blast injuries from last week's Iran missile attack in Iraq, the U.S. military confirmed.

The Iranian official leading the investigation into the accidental shootdown of a Ukrainian jetliner appeared to backtrack on plans to send the flight recorders abroad for analysis

Iran says two newly constructed satellites have passed pre-launch tests and will be transported to the nation's space center for eventual launch, without elaborating

Tehran official said it was not possible to read the black boxes in Iran.

Iran's Supreme Leader Ayatalloh Ali Khamenei led prayers Friday for the first time in eight years.

U.S. officials confirmed some troops were injured in Iran's attack on U.S. troops in Iraq despite prior claims that no one was hurt.

The governments of countries that lost citizens when Iran shot down a Ukrainian airliner are demanding Tehran accept “full responsibility” and pay compensation to the victims’ families

Iran's president says there is “no limit” to the country's enrichment of uranium following its decision to abandon its commitments under the 2015 nuclear deal

Two men have been sentenced to prison in the United States for conducting surveillance on behalf of Iran's government.

While the European powers hope they have found an avenue to fix the Iran nuclear deal, it may actually spell its end.

Iran, which admitted to firing at the 737 and killing all 176 on board, said it has arrested some individuals, but Iranians continue to protest in the streets.

Iran's judiciary spokesman on Tuesday announced the arrests of an unspecified number of suspects in connection with the accidental shootdown of a Ukrainian airliner.

Iran says authorities have made arrests for the accidental shootdown of a Ukrainian passenger plane

Iran confirmed some arrests have been made related to the accidental shooting down of a passenger plane.

Anti-government protesters turned violent over the weekend in Tehran, with protesters angry at being lied to over the downed Ukrainian plane.

Iran’s constitutional watchdog has barred thousands of people from running in next month's parliamentary elections, including 90 current lawmakers

National security forces have cracked down, using tear gas and reportedly live ammunition against demonstrators -- some of them calling for the removal of Iran's supreme leader.

There was no immediate report in Iranian state-run media on the incident.

U.S. Secretary of State Mike Pompeo stated, “We just want Iran to behave more like a normal country, to be like Norway.”

A horde of protesters reacted to the regime’s shocking admission that its military forces shot down a Ukrainian plane that they mistook for a missile.

A majority of Americans disapprove of President Trump’s handling of the situation with Iran and feel less safe, according to a new ABC News/Ipsos poll.

Protesters marching against the regime, chanting, “Shame on President Rouhani,” were hit with tear gas.

Iranians are taking to social media to express their grief, shock and anger after authorities admitted that the Iranian military had shot down Ukrainian Flight 582.

A Ukrainian political analyst visiting Tehran decided to stay another day.

Videos show protesters shouting anti-government slogans in subway stations.

Leader described Iran's ballistic missile response as a “slap” to Washington.

ABC News' George Stephanopoulos pressed O'Brien on why the U.S. did not evacuate embassies given the claim that Soleimani had been planning to attack "four embassies."

Iran admitted to mistakenly downing the commercial passenger plane which was carrying at least 82 Iranian citizens.