ESA signed an agreement Tuesday with Reaction Engines Ltd. to provide the company more than $10 million to continue work on the SABRE engine, with ESA serving as the project’s technical auditor. That ...

Reaction Engines is hopeful that newly unveiled technology which uses its heat exchanger system to allow regular jet engines to burn ammonia – producing zero carbon emissions – could enter service ...

Reaction Engines' Synergetic Air-Breathing Rocket Engine (SABRE) has passed a major milestone, as one of its key components handled conditions equivalent to an airspeed of Mach 5 (3,704 mph, 5,961 ...

WATKINS, Colo. — Engineers at a U.K. company called “Reaction Engines” are testing out a new rocket engine at the Colorado Air and Space Port near Watkins. This new SABRE engine contains a precooler ...

Reaction Engines (H4/C2) has announced successful stage one and two tests of a revolutionary pre-cooler of a new type of engine called SABRE, which could propel aircraft round the Earth in four hours ...

An artist’s conception shows a space plane powered by Reaction Engines’ SABRE system deploying an upper stage with a payload heading to orbit. (Reaction Engines Illustration) Boeing’s HorizonX venture ...

LOS ANGELES—The demonstrator core of Reaction Engines’ air-breathing Sabre rocket propulsion system has successfully passed a preliminary design review held in collaboration with the UK Space Agency ...

Air travel is about to get much faster and less polluting, but it will be another decade before we get to enjoy it. British firm Reaction Engines is working on an engine that will make hypersonic ...