How to put intelligence to work against ISIS terrorists returning from Syria to their countries of origin.

What the rise and fall of a 12th-century Islamic empire does (and doesn’t) tell us about the rise (and fall?) of ISIS.

A new poll shows 60 percent of young people want ground troops against ISIS.

Shutting down ISIS’s web presence is difficult, but it’s something more companies are confronting as the terror group digs in. It may be a game of whack-a-mole, but that doesn’t mean it isn’t worth it—or doesn’t do significant damage to the groups.