U.S. officials announced they conducted an airstrike on Syrian soil that killed two ISIS members, including a top official.

Mouaz Moustafa, the head of the Syrian Emergency Task Force, told ABC News there are believed to be well over 100,000 bodies in a "massive" grave outside Damascus.

Former Syrian President Bashar Assad on Monday made his first official statement since being topped by a rebel offensive and fleeing the country for Russia.

Much of the evidence of Assad’s crimes is lost, but in one room saved from a fire, we got a glimpse into the system of fear.

The exchange took place at the remote U.S. base in southeastern Syria known as At Tanf garrison, close to the border with Jordan.

Captagon trade under the Assad regime generated billions annually for Syria, according to a 2023 study by the nonprofit Observatory of Political and Economic Networks.

After insurgents toppled Syrian President Bashar Assad this month, many senior officials and members of his dreaded intelligence and security services appear to have melted away

ABC News Chief Foreign Correspondent James Longman reports at Saydnaya prison, where Syrians are searching for their lost loved ones.

The parents of Austin Tice spoke out in an interview with ABC News as the U.S. works to uncover their son’s whereabouts after the collapse of the Assad regime in Syria.

Al-Hamada travelled the world to share his testimony on the horrors of Assad's regime that he experienced in prison.

The U.S. said it believes a person seen in a video circulating online could be Travis Pete Timmerman, an American who went missing from Hungary earlier in the year.

Family members and friends of thousands of missing Syrians are continuing their search for those disappeared by former President Bashar Assad's regime.

Iran's Supreme Leader Ayatollah Ali Khamenei said in a speech Wednesday that the U.S. and Israel were behind the fall of former President Bashar Assad.

Some European Union countries are doubling down on their decision to rapidly halt asylum procedures for Syrian migrants in Europe

The U.S. is communicating with rebel groups inside Syria amid the search for missing American journalist Austin Tice, State Department spokesperson Matthew Miller said.

During Syria's civil war, human rights groups estimate that over 100,000 Syrians, including children, were held in appalling conditions at the notorious Saydnaya prison.

The Biden administration wants to avoid a power vacuum after the rebel takeover.

Syrian rebel leader Abu Mohammed al-Jolani said late Monday that his forces "will not hesitate to hold accountable" alleged regime war criminals and torturers.

Oil prices climbed 2% on Monday in the wake of the defeat of the Assad regime.

Rebel forces in Syria said they have captured four cities in the past 24 hours and entered the capital Damascus.

U.S. Defense Secretary Lloyd Austin said Monday that the international community was "surprised to see that the opposition forces moved as quickly as they did" in Syria.

The stunning collapse of President Bashar Assad's regime in Syria presents "a moment of historic opportunity," President Joe Biden wrote on X on Sunday.

Russia media say ousted Syrian leader Bashar Assad has fled to Moscow and received asylum from his longtime ally

A reformed rebel alliance overtook the capital, Damascus, on Sunday.

HTS, which has roots in al-Qaeda, is considered a terrorist group by the U.S.

The collapse of Assad's government ended a 24-year reign.

Half a century of rule by the Assad family in Syria has crumbled with astonishing speed

The insurgents’ stunning march across Syria has brought them to Damascus.

Syrian government forces were withdrawing from the city of Hama in the face of a rebel advance, a setback for President al-Assad and his backers in Russia and Iran.

The reformed rebel alliance faced minimal resistance as it retook Aleppo last week.

Thousands of insurgent fighters making startling advances in their surprise offensive against President Bashar al-Assad's regime.

U.S. Central Command announced new strikes on Iran-linked militants in Syria on Tuesday in response to recent attacks on American personnel in the country.

American forces in Syria have captured an ISIS leader who U.S. Central Command said facilitated a recent prison break by detained foreign fighters.

New drone attack on U.S. base in Syria could be the latest sign that Iranian-backed militias have resumed their attacks on U.S. bases in Iraq and Syria.

U.S. Central Command acknowledged that one year ago Friday, it mistakenly struck a civilian in a strike in Syria, not the al-Qaeda leader it was looking for.

Abdelkader Madirati was only 8 years old when he was the victim of a cluster bomb which caused the amputation of his right hand and most of his leg.

Israel has not said it conducted the strike that killed a top Iranian commander.

U.S. officials condemned the strikes, saying that the "initial indications are that this was a reckless and imprecise set of strikes."

The water hyacinth, nicknamed the Nile flower, is choking off the only natural water source in northwestern Syria's war-torn Idlib province.

Attacks on American troops in Middle East continue.