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 ...

Indian-Norwegian aerospace startup SiriNor is developing the first electric jet engine in the world. The company plans to ...

The race to bring hypersonic flight into the real world just took a leap forward with Venus Aerospace's successful test of a revolutionary engine. The Houston-based startup has developed a compact ...