In a significant step toward closing the hypersonic technology gap with China, Venus Aerospace, a Houston-based startup, has completed the first US flight test of a Rotating Detonation Rocket Engine ...

Astro Mechanica’s ground demonstrator, based on a GE CT7 turboshaft, drives a generator powering two propulsors. Credit: Astro Mechanica U.S. startup Astro Mechanica plans to take its hybrid-electric ...

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 ...

In May 2025, Delhi NCR-based Green Aero also successfully demonstrated its first hydrogen-powered jet engine named The Blue Dragon, but commercial deployment of such engines is still a long way away ...