Syria

The U.S. is making more contacts with the Russians to avoid air conflict over Syria.

The U.S. Air Force's F-22 Raptor stealth fighter is playing a crucial yet evolving role in air operations over Syria and Iraq...

The ISIS convoy was given safe passage over 10 days ago to travel across the Syrian desert to the Iraqi border.

The U.S. is considering arming the Syrian rebels as part of a range of options for ousting the regime of President Assad.

A strike on Syria would probably last only a couple of days, targeting command and control facilities, air defenses and...

The U.S. is preparing to send a specially outfitted ship to the Mediterranean to destroy Syria's stockpiles of chemical...

The costs have averaged $7.5 million per day and include money for airstrikes, surveillance and arms shipments.

The costs of the U.S. campaign against the Islamic State are approaching $1 billion as the pace of the airstrikes increase.

U.S. Central Command's Gen. Lloyd Austin told Congress Tuesday that more than 8,500 ISIS fighters had been killed in the U.S...

The U.S. and Turkey reached a tentative deal after weeks of haggling that would have Turkish warplanes join the air campaign...