U.S. startup Astro Mechanica plans to take its hybrid-electric supersonic engine into high-altitude and high-speed ground testing this year as it moves toward flying the unique powerplant in 2027 in a ...

Russia has introduced a new version of its Geran long-range, one-way attack drone, now equipped with a jet engine. The drone, ...

These aircraft weren’t built to be subtle. Four engines roar to life as hundreds of tons begin to move, slowly at first, then ...