Iain Boyd, University of Colorado Boulder President Donald Trump announced a plan to build a missile defense system, called ...

A new report by the U.S. Government Accountability Office indicates there are more challenges facing the proposed missile ...

For months, President Trump has shared his desire for a defense system like Israel's Iron Dome and requested funding for it during his joint address to Congress in March.

The ambitious plan for a new U.S. missile-defense shield needs to navigate technology hurdles and budget questions.

Russia and Ukraine have swapped hundreds more prisoners of war, the third and last part of a major swap, hours after a ...

Russia and Ukraine have swapped hundreds more prisoners, the third part of a major swap that was a moment of cooperation in otherwise failed efforts to reach a ceasefire ...

Ukraine brought home 303 prisoners of war on May 25 in the final phase of a 1,000-for-1,000 prisoner exchange with Russia, President Volodymyr Zelensky announced.