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 ...

GE and Lockheed ground tested a new air-breathing hypersonic jet engine capable of powering missiles to speeds well in excess of Mach 5 in a smaller, cheaper, lighter, and more efficient package than ...

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 ...