How this Wittgenstein sketch explains the Somalia SEAL raid.
The Syrian rebellion is turning hard-line Islamist, squeezing out Christians, Alawites, and Kurds who also hate Assad.
When it comes to assessing the success of the war on terror, there's a lot we just don't know.
From Vietnam to Syria, the appalling history of U.S. efforts to end wars by creating stalemate.
Meet Abu Omar: Al Qaeda busted him out of Abu Ghraib. Now he has gone to fight in Syria.
One major social media service isn't keeping up with its peers in dealing with designated terrorists.
Syrian jihadi groups are now kidnapping and killing one another. Is this the beginning of an all out war, or an opportunity for the moderates?
Is the turbulent Middle East bringing Sunni and Shiite jihadists together, or driving them to war?
For an infamous danger zone, Marib province is beautiful, ancient, and, at times, remarkably peaceful.
Prison breaks, the embassy shut down, and an al Qaeda comeback all reveal one thing: we're still handling the terror threat wrong.
The United States used the Pakistan playbook on Yemen's terrorists. It didn't work.
How al Qaeda broke hundreds of bad guys out of the world’s most notorious jail -- and what it means for America.
An exclusive conversation with European radicals fighting for an Islamic state in Syria.
Islamists in East Africa were supposed to be on the run. But the raids and spy flights keep increasing.
Pakistan’s leaked bin Laden report proves that the country’s vaunted spy agency is either shockingly inept or duplicitous. Or both.
A guide to the most critical readings on Afghanistan, Pakistan, al-Qaeda, and U.S. counterterrorism.
If the NSA's massive spying operation sounds a lot like a Bush-era program ... that's because it is.
President Obama's magical thinking about how to defeat al Qaeda.
How Robert Mueller transformed -- for better and for worse -- the FBI into a counterterrorism agency.
As Sunni jihadists battle it out with Shiite militias in Lebanon and Syria, the region lurches closer to all-out war.