Deep fakes—highly realistic and difficult-to-detect depictions of real people doing or saying things they never said or did—are a profoundly serious problem for democratic governments and the world order. A combination of technology, education, and public policy can reduce their effectiveness.

Satellite cybersecurity has received little attention from spacefaring states, despite significant risks.

U.S. foreign policy experts assess the likelihood and impact of thirty potential crises or conflicts around the world in the coming year in CFR's annual survey.

A policy of combating kleptocracy across sub-Saharan Africa would strengthen the national security of the United States, and the Donald J. Trump administration should start with Nigeria and South Africa.

A serious military confrontation between Russia and a North Atlantic Treaty Organization (NATO) member state or a severe crisis in North Korea are among top international concerns for 2017 cited by a…