The Democratic and Republican presidential contenders have begun defining their approach to major foreign policy issues as they jockey for position in their parties’ primaries.

The scope of national security is expanding beyond violent threats to encompass a broader array of dangers.

The Trump administration's rollbacks of greenhouse gas emissions will likely damage American energy production, global influence, and jobs. 

The COVID-19 pandemic is likely to spark a wave of new laws intended to hold governments and businesses accountable for their public health responses during outbreaks.

ISIS Beatles Trial Shines Light on U.S. Counterterrorism and Hostage Policy