Rarely does something get developed which is a real game changer in space exploration. One example is the Skylon reusable ...

The Sabre air-breathing rocket engine is designed to drive space planes to orbit and take airliners around the world in just a few hours. To work, it needs to manage very high temperature airflows ...

Sabre would work like a jet engine in the lower atmosphere and like a rocket motor in the high atmosphere Reaction Engines Limited (REL), the UK company developing a revolutionary aerospace engine ...