An investigation by the global chemical weapons watchdog established there are “reasonable grounds to believe” Syria’s air force dropped two cylinders containing chlorine gas on the city of Douma in April 2018, killing 43 people

Syrian state media says a building has collapsed in a neighborhood in the northern city of Aleppo, killing at least 16 people, including one child, and injuring four others

Three suicide drones have attacked a U.S. base in eastern Syria, wounding two Syrian opposition fighters

A boat carrying more than 200 would-be migrants, most of them Syrians, sank off the coast of Lebanon on New Year’s Eve

The news comes as Damascus prepares to welcome Iran’s president.

A woman who ran away from home in Alabama at the age of 20 to join the Islamic State group in Syria says she is a victim of the militant organization and hopes to return to the U.S. even if it means serving prison time

The U.S. military says two rockets have struck a base housing American troops in eastern Syria without causing any casualties or material losses

A militant rocket attack in eastern Syria has struck a bus with oil industry employees, killing at least 10

American forces have conducted three raids in eastern Syria and arrested six Islamic State groups militants

The U.N. chief is warning that the already dire humanitarian situation in Syria is worsening and if aid deliveries from Turkey to the rebel-held northwest aren’t renewed next month millions of Syrians may not survive the winter

Iran’s paramilitary Revolutionary Guard says an explosion in Syria has killed one of its officers

The beheaded bodies of two Egyptian girls were found in the sprawling camp.

Syrian opposition activists say airstrikes in Syria along the border with Iraq have targeted Iran-backed militiamen, inflicting casualties

An international aid group is warning that a sprawling camp in northeastern Syria that houses tens of thousands of women and children linked to the extremist Islamic State group is witnessing pervasive violence, exploitation and lawless

First responders and opposition war monitors say Syrian government forces have shelled tent settlements housing families displaced by the country’s conflict in the rebel-held northwest, killing at least 10 people and wounding dozens

The Syrian army says Israel has carried out an airstrike on the suburbs of the Syrian capital of Damascus wounding a soldier and damaging property

The U.N. envoy for Syria says the United Nations will push for a nationwide cease-fire in the war-wrecked country — even after bursts of fighting in the last rebel-held region have punctured a two-year truce there

A U.S.-led coalition drone strike in northeastern Syria has killed an Islamic State group member

There was a failed rocket attack on the U.S. military base known as Green Village in northeast Syria, officials said.

The United States said Wednesday that although it "does not seek conflict with Iran," it will continue to "defend" its troops against Tehran-backed militias in Syria.

The U.S. military said it carried out airstrikes on Tuesday targeting areas of eastern Syria controlled by Iran-backed militias.

The U.S. military said it carried out airstrikes on Tuesday targeting areas of eastern Syria controlled by Iran-backed militias.

A U.S. military drone strike has killed the top ISIS leader in Syria, an official said Tuesday.

U.S. Central Command said the target of the strike, Abu Hamzah al Yemeni, was a senior leader of an al-Qaida-affiliated terrorist group known as Hurras al-Din.

U.S. Central Command said the target of the strike, Abu Hamzah al Yemeni, was a senior leader of an al-Qaida-affiliated terrorist group known as Hurras al-Din.

An Air Force service member was arrested in the U.S. on Thursday in connection with an April attack at a base in Syria that injured four other troops.

The U.S. military conducted a ground raid in northwestern Syria that captured a top ISIS leader, the U.S. military said Wednesday.

The military has identified a U.S. service member as a "possible suspect" in an April 7 attack in Syria that injured other American troops

After a public plea for support over the weekend, President Joe Biden wasted no time, saying on Monday he would meet with them "today."

President Joe Biden said Thursday morning a U.S. Special Forces operation in Syria left the leader of ISIS dead.

ABC News’ chief global affairs correspondent Martha Raddatz reports on the latest details of the aftermath of a counterterrorism mission conducted in Syria.

ABC News’ Mary Bruce reports the latest details behind the raid which was a symbolic show of force as Russia continues to threaten nearby Ukraine.

ABC News’ James Longman reports on the impact the civil war has had on Syria's children after more than 10 years, and the aftermath of ISIS.

ABC News’ Ian Pannell looks back at the origins and impact of 10 years of deadly conflict in Syria.

Doctors and aid workers told ABC News that the situation inside Idlib, the last rebel stronghold after ten years of the Syrian civil war, are 'catastrophic.'

Joe Biden faces pushback from Democrats about the airstrike in Syria.

Structures were targeted in Al Bukamal, Syria.

ABC News' James Longman reports from the frontlines of northeastern Syria amid the partial U.S. troop withdrawal.

U.S. military sending Bradley fighting vehicles and more protection to U.S. troops in Syria following tense encounter with Russian troops.

Four U.S. military personnel injured in a collision with a Russian vehicle during a tense encounter with Russian troops in Syria says a U.S. official.

A U.S. F-15 fighter jet came within a kilometer of an Iranian airliner, leading the Iranian pilots to execute a rapid descent that injured several passengers.

The U.S. on Wednesday sanctioned Syrian President Bashar al-Assad, his wife, others in the first use of law named for a Syrian military defector.

Russia’s president Vladimir Putin and Turkish president Recep Tayyip Erdogan have agreed to establish a ceasefire in the Syrian province of Idlib.

A high-level U.S. administration official traveled to Syria's border for the first time in a show of support for Turkey's fight against the regime.

Russia denies responsibility after strikes kill at least 33 Turkish troops in Syria

The U.S. embassy in Syria tweeted support for the slain journalist Marie Colvin, as the humanitarian situation worsens eight years after her death.

As fighting over Syria's last rebel-held stronghold intensifies and puts Turkey in direct conflict with Russia, there is a growing pressure for the U.S. to do something.

U.S. forces and unknown individuals exchanged small arms fire on patrol near Qamlishi in Syria, with the situation now de-escalated.

An ABC News correspondent returns to Syria four months after a Turkish invasion.

U.S. convoys continue to patrol the area and said they're determined to maintain progress made against ISIS.