U.S. working to confirm authenticity of video; Japanese journalist the apparent victim.
Today's threats differ significantly from what we faced in the immediate shadow of 9/11.
Feckless US policy toward terrorists has encouraged our enemies to expand their ambitions.
A U.S. ambassador said 6,000 ISIS fighters have been killed in airstrikes.
President urged Congress to grant him explicit authority to use force against ISIS.
There is a deep deficiency among Western leaders: their inability to understand those they regard...
Sen. Ron Johnson (R-Wis.) criticized President Obama’s policy to combat terror groups.
U.S. troops would receive orders to deploy to the Middle East to begin training rebels.
Forces carried out 27 airstrikes, hitting targets in both Iraq and Syria.
The U.S. military launched 11 airstrikes against ISIS since Friday.
Comments are first time the Pentagon has acknowledged it is looking into such allegations.
Local group says efforts by the US-led coalition around Raqqa were repelled by ISIS.
Strategic success attributed to Kurdish forces and U.S. "air component."
The senator said Obama has "lost touch with reality."
Hagel said the unrest would be "factored in" to decisions on releasing detainees.
The administration is objecting to an up-or-down vote in Congress on a deal.
Obama will deliver his penultimate State of the Union address.
One thing is clear: Both groups, despite their internal bickering, still pose direct threats...
The strikes occurred between Friday and Saturday morning, and targeted ISIS vehicles.
The high-level meetings come as the Pentagon prepares to train and equip Syrian rebels.
Civil libertarians hope to force changes when part of the Patriot Act sunsets in June.
It is high time the US and its allies give this burgeoning problem the attention it deserves.
Turkey has come under fire from lawmakers who say Ankara isn't doing enough to fight ISIS.
A monitoring group blames the roughly twofold increase on the rise of ISIS.