Security

The administration has settled on a package of sanctions to punish Ankara for buying a Russian missile system.

News of the allegations surfaces at a time of unusual turmoil in the Pentagon’s top ranks.

The latest breach could significantly reduce the time it will take Tehran to amass enough weapons-grade uranium for a nuclear weapon.

Israel needs the Palestinian Authority’s security cooperation to avoid another intifada—and without security ties to Israel and the funding that comes with it, the PA could cease to exist.

Beijing is famous for putting engineers and scientists in charge. But that doesn’t make for better leaders.

Thousands of years ago, the ancient Greeks anticipated robots and artificial intelligence—and they didn’t trust them.

Turkey is set to receive the first of its Russian S-400s in days.

Even if real war doesn’t start, a cyberwar may soon be underway, experts say.

Reagan waged his own trade war against an Asian tech competitor. Here’s how it went—and what that means for Trump’s battle against Huawei.

The candidates also sparred about the 2015 Iran nuclear deal and the war in Afghanistan.

The U.S. foreign-policy establishment shouldn’t balk at pledges to roll back national security commitments.

The U.S. military launched cyberattacks against Tehran in response to the shootdown of a U.S. drone.