Elon Musk claims that, using fully reusable hardware, the cost of launching payloads to space could eventually go as low as $10 per pound. Other low-cost proposals for putting payloads into orbit have ...

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 ...

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 ...

Will DeVerter, a graduate research assistant in the Purdue Applied Research Institute’s Hypersonics Advanced Manufacturing Technology Center (HAMTC), prepares his team’s 3D printed scramjet for ...