From the bodyguard to the media spokesman, meet the new caliph's top men.
October 28, 2014
From Patient Zero to today, here is a look back at how the West Africa Ebola outbreak grew to become the worst on record.
September 9, 2014
Eight years ago, Nouri al-Maliki went from political unknown to prime minister of Iraq. Today, he draws comparisons to the man he once fought to overthrow, Saddam Hussein.
July 29, 2014
From "shock and awe" to ISIS, FRONTLINE explores the key turning points in the war and its aftermath.
July 29, 2014
Sixty years after Brown v. Board of Education, racial divides are back on the rise inside America’s classrooms. What happened?
July 15, 2014
The NSA is thought to deploy the Tailored Access Operations (TAO) unit for specific hard-to-get targets.
May 29, 2014
Obama said he wants to step up training for rebel groups in Syria. Here's more on the covert rebel training program that's already in effect.
May 28, 2014
Security expert Ashkan Soltani explains how the NSA can get onto a user's computer via the web browser.
May 23, 2014
Security expert Ashkan Soltani breaks it down.
May 21, 2014
The U.N. says anything longer than 15 days is abusive. Most stays start at 30 days, but one Louisiana man has spent 42 years so far.
April 22, 2014
As TB cases declined in the Western world in recent decades, so did the funding to deal with the disease. But TB, an airborne bug that spreads best when the infected are left untreated in crowded areas, continued to flourish in poorer nations.
March 25, 2014
A look at how they connect, where they go, and what they share.
February 18, 2014