Islamic State in Iraq and the Levant (ISIL)
Islamic State Took Over a Prison and Shot the Shiite Prisoners, U.N. Says
"ISIL gunmen then yelled insults at the remaining prisoners, lined them up in four rows, ordered them to kneel and opened fire"
Syria Says Would Work With Any State to Fight the Islamic State
Russia urged Western and Arab nations to overcome their distaste of the government in Damascus and engage with it to fight the hardline insurgents
British Intelligence Say They're 'Very Close' to Identifying James Foley's Killer
MI5 and MI6 have been utilizing voice recognition technology to identify the IS member
Iraq Calls for International War Against Islamic State; Iran Vows Solidarity
The advance of Islamic State through northern Iraq has alarmed the Baghdad government and its Western allies, prompting the first U.S. air strikes
Hagel: IS the Biggest Threat to the U.S. Since Al Qaeda
Extending military action to Syria is the only way to defeat IS, says chairman of the joint chiefs of staff
Manhunt Underway for Foley's Killer 'Jihadi John'
Details emerge about 'The Beatles,' the British jihadists in charge of Western Islamic State hostages
James Foley's Place and Time of Death Pinpointed
The killer is believed to be a Londoner, one of three British Islamic State captors known as The Beatles.
Islamic State Vows to 'Break the American Cross'
The Islamic State released a video on Tuesday that gave the strongest indication yet it might attempt to strike American targets.
White House: Obama Authorized U.S. Strike to Free Mosul Dam
"The failure of the Mosul Dam could threaten the lives of large numbers of civilians," the White House said.
Hezbollah Sees Islamic State as Threat to Gulf, Jordan
The Iranian-backed Hezbollah has been helping Syrian President Bashar al-Assad fight a Sunni Islamist-dominated insurgency
Inside the Islamic State's Siege of Mount Sinjar
The ancient community of Yezidis faces a life of permanent exile unless the Islamic State is defeated
U.S. Could Announce More Troops to Iraq: Officials
Several U.S. officials, speaking on condition of anonymity, said a decision to send at least 70 extra military personnel to Iraq was likely later in the day
Obama: U.S. Airforce 'Remains Positioned' Around Refugees at Mount Sinjar
There is "no American military solution to larger Iraq crisis," President Obama warned
Troops in Baghdad as Iraq's Maliki Clings to Power
The U.S. supports the new premier, but Maliki says he isn't going anywhere
Turkey's New President Was Elected on a Platform of Hatred
The ally Obama needs to defeat the Islamic State in Iraq is losing friends fast
Armed Political Showdown in Baghdad as Maliki Refuses to Go
The Obama administration has congratulated a former Maliki lieutenant who was named by President Fouad Masoum to replace him
Obama: U.S. Strikes Have Destroyed Iraq Militants' Arms and Equipment
Obama said U.S. airstrikes have destroyed arms and equipment that Islamic State insurgents could have used to attack Arbil but warned the current operation in Iraq could take some time
ISIS Terrorists 'Have Seized Iraq's Largest Dam'
ISIS have captured the dam, three towns and an oilfield in recent days, reports say
Meet ISIS's All-Women Morality Police
In the city of Raqqa, ISIS has deployed a unique unit of female morality police
Convert, Pay Tax, or Die, Islamic State Warns Christians in Iraq
The group set a Saturday deadline for Christians who did not want to stay and live under those terms to "leave the borders of the Islamic Caliphate"
Bodies Found North of Baghdad as Sunni Insurgents Turn on Each Other
The dead included Saddam-era army colonel Hussein al-Mehdawi, who was fighting alongside the Islamic State, and six of his relatives
War and Peace in the Age of the Smartphone
Out with big battle battalions; in with sly, asymmetric, unending warfare
How Close Is Baghdad from 'Zero Hour'?
Experts say the insurgents will wage war on the capital from the "Baghdad belt" of towns circling the city
Iraq Tells U.N. 'Terrorist Groups' Seized Former Chemical Weapons Depot
Iraq's government is unable to fulfill its international obligations to destroy toxins kept at the facility, the country's U.N. envoy told the United Nations
ISIS Destroys Mosques and Shrines in Iraq: Pictures
The militant group is ramping up efforts to implement its extreme religious agenda
Not Your Grandfather's Jihad
A recent string of victories and a slick online presence appeal to a new generation of extremists
U.S. Puts Little Hope in Iraq Being Able to Push ISIS Back
Iraq's military was "capable of defending Baghdad" but it "would be challenged to go on the offense," General Martin Dempsey said
Iraq Chases Baghdad Sleeper Cells as Battle for the City Looms
Iraqis speak of a "Zero Hour" as the moment a previously-prepared attack plan would start to unfold
Is Jordan at Risk as Neighbors Syria and Iraq Burn?
The same militant group attacking Iraq wants a Sharia-based Caliphate with pieces of Jordan
ISIL in Iraq Crucifies Eight Rebels, Displays Their Bodies
The Syrian Observatory for Human Rights said clashes between rival Islamist groups in Syria had killed around 7,000 people since January