Russian President Vladimir Putin said the West has exploited his country's goodwill and disregarded the sovereignty of countries around the world.
Major General Issam Zahreddine, who led his Syrian Republican Guard brigade for three years against an ISIS siege in Deir Ezzor, was reportedly killed by a landmine.
The head of the Philippine military said only about 30 militants remained in the formerly ISIS-held city and that victory would come "in a matter of days."
"Lie in wait for them at every chance to ambush. The Levant is the graveyard of the Russians and Americans," reads text on a recent propaganda image.
Fearless ISIS recruits in Yemen may have completed jihadi training, but not before being subject to an excruciating hazing routine.
Iran has threatened a "crushing" response to the U.S. potentially designating its elite Islamic Revolutionary Guard Corps as terrorists.
As Russia consolidates its position in Syria and the Middle East as a whole, it's reaching out to rivals and selling them a coveted weapon, the S-400.
Despite doubts from authorities, ISIS is insisting that Stephen Paddock was acting as a "soldier of the caliphate" when he murdered 58 people in Las Vegas.
The Syrian military's Fifth Assault Corps, known as "ISIS Hunters," has made ISIS an offer it can't refuse.
In the video, a man identifies himself and a companion as Russian soldiers captured by ISIS during a counteroffensive against Syrian troops in Deir Ezzor.
The 2,000-year-old Lion of al-Lat statue is a symbol of peace, but its restoration is only a reprieve from the death and destruction Palmyra has witnessed.
Turkey and Iran, traditional foes, have established common ground in Iraq, Syria and Qatar as regional alliances shift.
Two rivals are battling ISIS in the jihadists' final stronghold of Deir ez-Zor. One seeks to return Syria to its former self; the other wants more power for Kurds.
Russian and U.S. allies are battling insurgents and jihadists trying to topple the Syrian government, but the latter wants to reshape the nation.
If ISIS was behind Friday's bombing of the London metro, it would be the group's fourth attack in the U.K. this year.
Syrian President Bashar al-Assad, his opposition, U.S.-backed Kurdish forces and the Islamic State militant group (ISIS) all recognized Eid al-Adha.
The Pentagon says there are actually 11,000 U.S. troops in Afghanistan, 2,600 more than were previously said to be there.
The U.S.-led coalition bombed the path of the convoy of ISIS fighters and their families, saying it was “a lucrative target” and threatening more strikes.
Once a primary recipient of CIA assistance, the Free Syrian Army has since turned on U.S. efforts to battle ISIS using Kurdish militias.
"The Americans will take this dream to their graves," a senior adviser to Ayatollah Ali Khamenei said,
Hezbollah Secretary General Hassan Nasrallah declared August 28 to be Lebanon's greatest victory since expelling Israel in 2000, and thanked Syria for its support.