CAIRO (AP) — By declaring the establishment of an Islamic caliphate, the extremist group that controls large swaths of Syria and Iraq is claiming to be the successor of the political and religious ...

BAGHDAD — A decade after the Islamic State militant group declared its caliphate in large parts of Iraq and Syria, the extremists no longer control any land, have lost many prominent leaders and are ...

On July 14, AEI’s Katherine Zimmerman hosted experts on the Islamic State to better understand where the group came from and what its future might hold. The panel discussed the group’s ideological ...

In this captivating journey through history, explore how the Umayyad Caliphate expanded its empire to achieve one of the largest territorial conquests in the world. Unravel the strategic, political, ...

Leadership transitions in any organization can produce uncertainty and invite speculation regarding the organization’s future trajectory. This dynamic is especially the case in clandestine terrorist ...

BAGHDAD (Reuters) – The new leader of Islamic State, whose appointment the group announced on Thursday, is the brother of slain former caliph Abu Bakr al-Baghdadi, according to two Iraqi security ...

When the Islamic State of Iraq and the Levant announced Sunday that it was changing its name and reviving the caliphate, the news lit up the Internet and headlined news reports around the world. But ...

Islam is the second-largest religion in the world. It has more than 900 million adherents all over the globe, but, at present, has no recognized caliph. The word "caliph" means "successor" and "deputy ...