Add Yahoo as a preferred source to see more of our stories on Google. WASHINGTON — The U.S. Army is evaluating an initial launched effects prototype as it continues to experiment with requirements and ...

The ET Gen AI Hackathon 2026 enters its final stage with a distinguished jury panel set to evaluate high-impact AI prototypes ...

The U.S. Navy says it has tested one of two prototypes of its futuristic electromagnetic railgun, a weapon that could fire a 5-inch projectile up to 100 miles, yet which requires no explosives to fire ...

A mysterious new DJI drone prototype has been spotted in testing, focusing on propulsion efficiency and palm safety ahead of ...