Islamic State of Iraq and Syria - ISIS

The Air Force's refueling operations for the Saudi-led coalition striking Yemen could end if some lawmakers have their way.

President Obama will address the nation tonight to announce the U.S. will be leading a multinational effort to destroy ISIL.

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

The U.S. has executed airstrikes against strategic ISIS targets without the joint terminal attack controllers (JTACs) that...

The death of the pilot was the first involving a fixed-wing aircraft since the air campaign against ISIS began on Aug. 8.

Carter also suggested that he would push back against attempts to "micromanage" military policy from the White House.

The Pentagon is investigating a posting that calls on ISIS supporters in the U.S. to attack 100 US troops.

ISIS has begun using water as a weapon by restricting the flow of water from a dam on the Euphrates River in Ramadi to...

ISIS strongholds in Iraq and Syria are the focus of much scrutiny, but there are new concerns the terror network is looking...

A U.S. drone strike in Syria Tuesday reportedly killed a fugitive British computer hacker who had become one of ISIS' top...