"This news leaves us concerned, yet, we are still hopeful that Kayla is alive," they said in the message.
What relationship the Islamic State will have with the Taliban in the country remains to be seen.
Germany is expected to send 100 military trainers to bolster Peshmerga resistance.
Steven Sotloff's parents will light the first candle for the Jewish holiday at a public ceremony Tuesday in Miami in memory of their son.
According to local media who claimed to have spoken to hostages, the gunman is calling himself 'the Brother'
ISIS is aiming violence at children while recruiting youth to work for its cause, whether by choice or by force.
The state prosecutor said that Mickael Dos Santos was a 22-year-old man from a town east of Paris who converted to Islam and left for Syria in August 2013
The general's remarks could stir political concern just days after Obama authorized expanding the number of U.S. troops in Iraq to as many as 3,100 from a current limit of 1,600.
Kurdish forces, helped by coalition airstrikes, took back a northern Iraqi town and several villages on Saturday
"The constant pressure from the air and ... the pressure from the ground by these Kurdish forces has done a lot to keep ISIL at bay from taking the whole town," said Rear Admiral John Kirby
Military planners said "Inherent Resolve" was "bleh," but it's the name they settled on.
Protesters hold mock auction of captive women in front of Houses of Parliament and Downing Street
"Of 1,730 identifiable new and expended small-arms cartridges, CAR identified the markings of manufacturers in 21 different countries all over the world," writes Kyle Murao
The UN secretary general's envoy to Syria compared the threat facing Kobane to human rights catastrophes in Srebrenica and Rwanda in a special press conference in Geneva
The Islamic State has threatened to next kill American aid worker Abdul-Rahman Kassig, who was working for a medical aid organization when he was taken hostage in October 2013
Peter Kassig, currently being held hostage by ISIS, was captured while working as an aid worker
Foley's family protested the use of his image in ads by the American Freedom Defense Initiative
Air strikes believed to have been carried out by U.S.-led forces hit three makeshift oil refineries in Syria's Raqqa province early on Sunday as part of an assault to weaken Islamic State (IS) militants, a monitoring group said.
The masked Islamic State militant in the videos depicting the beheading of two Americans has been identified, FBI Director James Comey said on Thursday
Not much is known about the Khorasan group but it's clear that they are viewed as a serious threat
A coalition of five Arab nations joined the U.S.
Cantlie: "I'm going to show you the truth as the Western media tries to drag the public back to the abyss of another war with the Islamic state."
New York and other U.S. cities brace for ISIS "lone wolf" attackers