Australian company Hypersonix Launch Systems is not only looking to make the delivery of satellites into orbit cheaper and more accessible, but also greener. It is developing a reusable launch system ...

A jet engine is any engine that can propel an aircraft of some kind via rearward expulsion of a jet of fluid, typically a hot exhaust gas that the engine generates by drawing in fuel from the ...

Going really fast has always been one of the major goals of air-breathing aircraft ("air-breathing" meaning that it's not powered by a rocket, and relies on air for fuel combustion) development since ...

Aerojet Rocketdyne and the US Air Force Research Laboratory (AFRL) have achieved a new record thrust output from a scramjet engine, providing a boost for hypersonic flight. A year of ground testing ...

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 ...

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 ...

In March 2025, a missile launched from a test range in the Pacific arced into the upper atmosphere, separated its rocket booster, and released an unpowered wedge-shaped glide body that streaked toward ...

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The US Defense Advanced Research Projects Agency (DARPA) successfully launched its Hypersonic Air-breathing Weapon Concept (HAWC) scramjet missile last week. The free flight test of the missile was ...