Terrorism

ISIS fighters infiltrated Iraqi lines Monday on a new Marine firebase where a Staff Sergeant was killed on Saturday.

Ashton Carter has formally notified Israel and Egypt that the U.S. was reviewing its commitment to the Sinai peacekeeping...

ISIS was moving to bolster the defenses of its self-proclaimed capital of Raqqa in Syria in fear of an imminent major attack.

The U.S. must be prepared for more attacks by ISIS-inspired loners as the group's battlefield losses mount, officials say.

The man suspected of shooting and killing five Dallas police officers in a sniper-style attack was identified as an Army vet.

Sources said the operation killed seven enemy fighters, but when the firefight ended, there was no sign of the hostages.

The amphibious transport dock San Antonio has moved into the Mediterranean to conduct airstrikes on IISI targets in Libya.

U.S. and Iraqi forces have boosted their ability to bring down ISIS recon and attack drones, and stop car bomb attacks.

The French military is literally going where eagles dare in an effort to combat the use of drones by criminals and terrorists...

Islamic State killers used "sharp tools" to murder 33 people in Syria on Wednesday before dumping the bodies into a mass...