On Oct. 3, the United States and the United Kingdom signed the first-ever executive agreement under the CLOUD Act, a 2018 law that authorizes the U.S. to enter into information-sharing agreements with ot...

The New York Times and other media outlets, citing anonymous sources, recently reported that the Department of Justice inquiry into the origins of the Russia investigation has “shifted” from an administr...

The U.S. withdrawal from northern Syria and the subsequent Turkish invasion of the region has brought new urgency to the question of how to handle the foreign fighters who are now detained in Syria and I...

In the aftermath of the successful operation against Abu Bakr al-Baghdadi, the fact that the Trump administration gave advance notice to the Russian government and possibly also to some Republican lawmak...

“My problem isn’t terrorists, it’s the KKK,” a senior social media company executive told us. We’d asked him about the challenges of countering terrorist groups like the Islamic State, only to receive an...

Editor’s note: This article grew out of work done in our Georgetown University class on national security and social media. The class tackled an array of questions related to how hate groups exploit soci...

Editor’s note: This article grew out of work done in our Georgetown University class on national security and social media. The class tackled an array of questions related to how hate groups exploit soci...

The reported killing of Abu Bakr al-Baghdadi during a Special Operations Forces raid is an important milestone in the war against the Islamic State—and, more generally, in the struggle against terrorism....

Editor’s Note: Major powers have never fought over Antarctica, and indeed its peaceful status is a diplomatic success that has lasted decades. David Fishman, a former Brookings intern, argues that this m...