Syria

Turkish officials said they have doubts about continuing to allow the U.S. to use Incirlik Air Base in the anti-ISIS campaign...

Two remote towns on the Syria-Iraq border are seen as possible fallback havens for ISIS leadership.

President Trump suggested possible imminent action against Syria for the alleged chemical attack against civilians in Syria.

The U.S. Air Force bombed ISIS at a record level in March and the most since the air campaign began in 2014, figures show.

President Obama may soon approve the shipment of weapons to opposition forces fighting Syria's al-Assad regime.

Syria reversed course Sunday and agreed to allow UN inspectors at the site alleged chemical weapons attack.

Defense Secretary Chuck Hagel said Thursday that infighting among rebel factions in Syria left the U.S. in doubt on support.

The U.S. has no immediate plans for expanded military action against ISIL, President Obama said Thursday.

U.S. and coalition attack aircraft bombed small oil refineries used by the Islamic State to fund terrorism.