During its secretive mission, the X-37B will test new laser communications gear and a "quantum" navigation sensor.

The meetings come after Seoul and Tokyo reached trade deals with Washington that spared them from the highest tariffs after ...

President Donald Trump stood among several hundred law enforcement officers, National Guard troops and federal agents at a U.S. Park Police operations center in one of Washington, D.C.'s most ...

From viral memes to military-grade influence operations, the government is waging a full-spectrum psychological war—not against foreign enemies but ...