Britain carries out first airstrikes against IS in Iraq
The strikes signal the start of Britain's latest military engagement in Iraq after it pulled out all its troops in 2011 following an eight-year conflict.
How the Islamic State is using grain to tighten its grip in Iraq
The United Nations estimates land under IS control accounts for as much as 40 percent of Iraq’s annual production of wheat, one of the country’s most important food staples.
On Location Video: The Yazidi men and boys who survived an Islamic State execution
In village after village last month in Iraq, the Islamic State killed scores of Yazidi men. A few lived to tell about it.
Why the French are backing the US in Iraq this time
A decade after the US invasion of Iraq, France was the first ally to join the bombing campaign against IS.
Captured by the Islamic State, these two teenagers went through hell. Then they ran
Sara and Leila both survived the mass capture of Yazidi women and children in Iraq last month. These are their stories.
US-led air strikes hit oil refineries in IS territory
The coalition raids destroyed three makeshift oil refineries in Islamic State-controlled territory in Syria.
Islamic State defies air strikes, shells Syrian Kurdish town
US said air strikes destroyed an IS building and two armed vehicles near the border town of Kobani.
What the fall of Raqqa might mean for those threatened by IS rule
Could the US bombing in Syria be the start of the Islamic State's demise?
‘Please, please don’t kill him': British Muslims offer pleas for IS hostage
The Islamic State's most recent threat, to British taxi driver Alan Henning, has drawn deeply personal appeals.
45,000 Syrian Kurds have crossed into Turkey over the last 24 hours
Islamic State fighters have seized dozens of villages close to the border, prompting the flight of thousands.
49 Turkish hostages held by the Islamic State are released
The 49 Turkish citizens were held hostage for more than 100 days by IS militants.
France launches first airstrikes against Islamic State in Iraq
The target in northeast Iraq was totally destroyed, adding that there would be further operations 'in the coming days,' French President Francois Hollande's office said in a statement.
Will China help Obama fight the Islamic State?
Analysis: The terror group’s global reach tests Beijing’s longstanding vow not to interfere.
US could send advisers into combat against Islamic State: Dempsey
Nearly 300 US military advisers are currently working with Iraqi government forces in their fight against the extremist group.
US banks on strong Iraq coalition, but allies are hesitant
The United States says it is "comfortable" it can forge an alliance, but will it end up finding itself out on a limb?
What Obama said vs. what the Islamic State heard
President Barack Obama laid out a four-point plan to 'destroy' the Islamic State. The extremists are likely hearing he has zero points. Here's a closer look.
US government to its people: Stay away from these countries
In total, the State Department has travel warnings in place for 41 nations.
In a speech Wednesday, Obama will lay out plans for Islamic State offensive
The speech underscores the degree to which Islamic State has become an urgent issue for the United States.
US strikes Iraq's Sunni Arab heartland for the first time
US military forces attacked Islamic State militants near the Haditha Dam.
Syrian air strikes against Islamic State kill 31
17 of the 31 killed are reported to be civilians.
Video of beheading of US journalist Steven Sotloff is authentic, Obama says
The video released by the Islamic State Tuesday shows the killing of a second American journalist. The same group murdered James Foley last month.
Dozens of minority Iraqi women 'sold into marriage' by IS militants
The Syrian Observatory for Human Rights said it was aware that some 300 Yazidi women had been kidnapped and transported to Syria by the jihadists.
Iraqi forces reportedly break Islamic State's 2-month siege of Amerli
The advance of the Iraqi forces comes after the US military carried out air strikes overnight on IS militant positions near the town.
'If it wasn’t for the Kurdish fighters, we would have died up there'
Yazidis who escaped the Sinjar mountains say the US airstrikes were all very well, but if it weren't for the Syrian Kurds, they wouldn't have made it.
On Location Video: The Yazidis who survived the assault on Sinjar
The Islamic State killed hundreds and kidnapped thousands when it overran the city in northern Iraq. This is the story of those who got away.
'Revenge attacks' in Iraq kill more than 20
The bombings follow a Shia attack on a village mosque in Diyala Province on Friday in which 68 people died.
The US considers going after the Islamic State in Syria
'We will do what's necessary to protect Americans and see that justice is done for what we saw with the barbaric killing of Jim Foley,' said White House deputy national security adviser Ben Rhodes.
Decoding Obama's 'relentless' quest for justice against the Islamic State
The president has promised to ‘see that justice is done’ for the brutal killing of journalist James Foley. But what does that actually mean?
US opens criminal probe into journalist James Foley's killing
Outraged US allies have pledged to help in the battle against the Islamic State, sending in weapons and other aid to Kurdish forces fighting the extremists in northern Iraq.
Aid airlift to northern Iraq has started, UN says
'This is a massive logistics operation ... to help the hundreds of thousands of desperate people who have fled suddenly with nothing but their lives,' UN High Commissioner for Refugees Antonio Guterres said.
UN launches 'significant aid push' for half a million people fleeing violence in Iraq
'The fact that you see people fleeing via Syria to safety speaks very much to how desperate the situation is,' UNHCR spokesman Adrian Edwards said.