NASA’s X-43A was a small, unmanned experimental aircraft that, in 2004, shattered world records by flying at nearly Mach 10 (almost 7,000 mph), becoming the fastest air-breathing vehicle in history.

The X-51A Waverider is set to demonstrate hypersonic flight. Powered by a Pratt & Whitney Rocketdyne SJY61 scramjet engine, it is designed to ride on its own shockwave and accelerate to about Mach 6.

This isn't just science fiction,it’s the promising vision behind electric plasma jet engines, a groundbreaking technology that’s currently being developed in engineering labs worldwide.

Ukraine may join the development of a sixth-generation fighter jet through the international Global Combat Air Programme (GCAP), Defense Express reports. Importantly, GCAP covers not only the aircraft ...