Add Yahoo as a preferred source to see more of our stories on Google. Ukraine has been pushing the speed of its interceptors as Russia develops its newer jet-powered Shaheds.Maks Muravsky/Global ...

Not all drones fly. Lockheed Martin's new underwater drone takes a new approach by combining high tech with the ability to ...

The four-propeller drone sitting briefly on a rocky and dusty surface in Central America in early March had an impressive diameter of nearly 7 1/2 feet. From afar, however, it appeared as just another ...

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