eastern Syria

Civilians walk in a line in the desert.

ISIS militants continue to surrender, but US military warns of a resurgence

Even with its defeat at Baghouz looming large, ISIS is still widely assessed to represent a security threat, with a foothold in patches of remote territory and the ability to mount guerrilla attacks.

ISIS militants continue to surrender, but US military warns of a resurgence
Alexander Borodai (C), former prime minister of the self-proclaimed Donetsk People's Republic, poses with delegates during the Union of Donbass Volunteers congress in Moscow, Russia, Oct. 10, 2015.

Russia’s shadow armies: Soldiers, mercenaries or volunteers?

Russia’s shadow armies: Soldiers, mercenaries or volunteers?
A US air strike on a suspected insurgent hideout in Fallujah in 2004. It's been more than 2 1/2 years since the US carried out air strikes in Iraq.

One former policy maker argues you can't bomb Iraq without bombing Syria

One former policy maker argues you can't bomb Iraq without bombing Syria
A Syrian refugee girl helps her brother walk

One result of Syria's war is an outbreak of polio

One result of Syria's war is an outbreak of polio