On the ground in Mosul, the terror group's stronghold is crumbling.
Although IS is certainly an Islamic movement, it is neither typical nor mired in the distant past, because its roots are in Wahhabism, a form of Islam practised in Saudi Arabia that developed only in the 18th century.
In Damascus, the war seems to have receded, and Bashar al-Assad looks more comfortable than ever.
A plan by the terrorist organisation to issue its own currency – in gold – reveals a further attempt to play on the history of the early Caliphs.
Look beyond the smokescreen of Islamic "essence" when analysing the motives of Islamic State.
In May, David Cameron said he hoped the Chilcot Inquiry would by unveiled by the end of the year. There are 50 days left of 2014, and Britain still hasn't had the answers it deserves.
What motivates the young men who leave Britain to join the murderous fanatics of Isis in the Middle East? Shiraz Maher spoke to dozens of them inside Syria to find out.
Peter Wilby’s First Thoughts.
A first look at this week’s magazine.
Why are we intent on fixing our lens on the chaotic? And why do we insist on trying to weave a grand narrative out of mostly unrelated things? asks the US Ambassador to Britain.
These Kurdish units, which include all-women militias, have to all intents and purposes become the last line of defence against the genocidal fanatics of Islamic State.