The Defense Department has developed war plans to thwart terrorist attacks within the United States, raising the possibility that ground troops may be dispatched on U.S. soil in the event of an emerg…

Twenty-five years after the birth of the anti-Communist Solidarity trade union, which is credited with contributing to the collapse of the Soviet government, Poland is poised to become one of Europe’…

A UN tribunal’s ruling upholds the need for a rules-based order that counters China’s efforts to turn the South China Sea region into a sphere of influence, says expert Andrew Erickson.

President Obama’s announced reforms should help restore public confidence in some controversial U.S. surveillance practices, says expert Andrew Weissmann.

Andrew C. Kuchins, an expert on Russia, says Russian officials are working hard to “to talk the Iranians down and out of a nuclear weapons program” despite worsening U.S.-Russian relations.