Closer to home, Oxfordshire-based Reaction Engines, led by a former Rolls-Royce executive, has been working on the SABRE, an ...

California-based space company Rocket Lab will launch more hypersonic test vehicles for the U.S. Military, as the Department of Defense (DOD) continues to invest in hypersonic technology.

Reaction Engines was developing a hybrid jet and rocket engine, called Sabre, which could enable hypersonic space planes to ...