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

DARPA's autonomous Unmanned Surface Vessel (USV), the USX-1 Defiant, took a major step toward operational status as a bottle ...

Canadian regulators once again ordered union leaders to end Air Canada's work stoppage on Monday, while employees remain ...

DARPA officially named its first-ever seafaring ship built to carry no humans, it will be known from now on as the USX-1 ...

The union for 10,000 striking Air Canada flight attendants said Monday they won’t return to work even though the strike, now ...

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

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