A scramjet engine made by Northrop Grumman set a record for the highest thrust produced by an air-breathing hypersonic engine in US Air Force history. Ground tests of the 5.5m (18ft)-long engine were ...

According to the U.S. Air Force, the flight test for the experimental X-51A WaveRider plane which could potentially travel up to 4500mph has resulted in failure. As previously reported on SmartPlanet, ...

A recent flight test of a prototype of the Hypersonic Air-breathing Weapon Concept set an endurance record for scramjet engines, the head of the Defense Advanced Research Projects Agency told ...

A team of engineers at the Air Force Research Laboratory and Air Force Test Center have set a record for the highest thrust produced by an air-breathing hypersonic engine in the military branch's ...

Alliant Techsystems, the Defense Advanced Research Projects Agency (DARPA) and the Office of Naval Research (ONR) successfully ground-launched and flew a hypersonic scramjet-powered vehicle from the ...