Osama Krayem is already serving long prison sentences for his role in the Paris and Brussels attacks in 2015 and 2016.

The bombings mark a sharp escalation by the armed group, which views the new government in Damascus as illegitimate.

Syrian security forces have killed three ISIL (ISIS) fighters and arrested four others in Aleppo, authorities said, the first time the interim government has announced such an operation against the ...

Eli Berman is professor of economics at UC San Diego whose book, Radical, Religious and Violent: The New Economics of Terrorism, was published in 2009 by MIT Press. Jacob N. Shapiro is an ...

This post is from 2015; learn more about his 2016 State of the Union address here. Tonight, President Obama in his State of the Union address refered to "ISIL," or the Islamic State of Iraq and ...

Harleen Gambhir leads the counterterrorism team at the Institute for the Study of War. She is an expert on ISIS's global strategy and operations, as well as on its digital propaganda campaign.

For example, a strike with the potential to wound or kill several civilians would be permitted if it prevented ISIL fighters from causing greater harm. Before the change, there were some ...

The British and US Governments use the term Isil, while the name Isis is more commonly seen and is favoured by The Independent. Last year, the French government announced their decision to use the ...

In the aftermath of the killing, the British Prime Minister David Cameron said Britain must “drive back, dismantle and ultimately destroy Isil and what it stands for”. Similarly, President ...