Defiant is getting closer to embarking on a key long-endurance cruise that could have important ramifications for the U.S.

Following its christening, the USX-1 Defiant soon will begin an at-sea demonstration of its reliability and endurance. The ...

Zelensky rolled out a list of demands after he spoke with Trump following the bilateral summit with Russian Federation ...

DARPA christened the USX-1 Defiant, a 180-foot fully autonomous medium unmanned surface vessel built for the U.S. Navy.

A judge temporarily barred O'Rourke's political group from helping to fund Texas Democratic lawmakers who left the state.

NYC mayoral race features Zohran Mamdani leading polls against Andrew Cuomo, Curtis Sliwa, and Eric Adams as candidates ...

The Welsh club were playing their first game at this level in 43 years but, having led for over an hour, endured a sting in ...