A 21-year-old British hacker who was a member of the Islamic State in Iraq and Syria (ISIS) was killed in a U.S. military airstrike earlier this week, the Pentagon confirmed Friday. "We can confirm that Junaid Hussain, an ISIS operative was killed in...

The almost singular focus by the United States and some of its coalition partners on defeating the group known as the Islamic State appears to be giving new life to the group's chief rival. U.S. intelligence officials say despite hitting a low point...

President Obama has seen fit to re-open diplomatic relationships with our most longstanding opponents in order to advance U.S. security interests. To talk with our most egregious adversaries while abandoning imperfect but proven allies like Malaysia...

Key allies in the US and UK led war on Islamic State (IS) are covertly financing the terrorist movement according to senior political sources in the region. US and British oil companies are heavily invested in the murky geopolitical triangle...

Kicking U.S.-based ISIS supporters off social media could provoke them to engage in lone-wolf attacks, according to a report prepared for the Department of Homeland Security and obtained by The Intercept.

When a lone terrorist slaughtered 38 tourists at a Tunisian resort on June 26, the Islamic State turned to social media to claim credit and warn of more attacks on the world's nonbelievers.

U.S. authorities are still investigating whether the Thursday attack on a military recruiting center and a Navy support center is an act of domestic terrorism, but jihadist sympathizers on Twitter wasted little time declaring it one.

When a lone terrorist slaughtered 38 tourists at a Tunisian resort on June 26, the Islamic State turned to one of America’s leading social-media companies to claim responsibility and warn of more attacks on the world’s nonbelievers.

While the world is transfixed on ISIS, its scrutiny dangerously overlooks Iraq’s Shiite militias. The popular mobilization forces (PMF)—a collection of Shiite, Iranian-backed militias—liberated Tikrit in April and are providing the muscle in today’s...

The Obama administration is sending mixed messages over Twitter's emerging terrorism problem — how to deal with the Islamic State of Iraq and Syria and other extremist groups that use the social media giant's open platform to incite violence and...