New screening measures at U.S. airports are being called overly intrusive by some passengers and civil rights groups. National security experts advise using a system that relies more on intelligence,…

The air travel system remains one of the most high-profile targets for terrorists. This backgrounder examines efforts to improve aviation security since the 9/11 attacks.

The U.S. midterm elections for Congress, typically dominated by domestic concerns, may turn on how the public views the role of majority Republicans on a wide range of foreign-policy-related issues, …