The secretive SR-72 “Darkstar” is Lockheed Martin’s ambitious project to build a Mach 6+ hypersonic ISR and strike aircraft. ...

Scramjet from Popular Science. The first true reusable, free-flying scramjet could be Darpa's HTV-3X. It is also known as Blackswift. The HTV-3x could make its inaugural flight as early as 2012.

Sustainedhypersonic flight above speeds of Mach 5 by vehicles using air-breathing,jet-fuel-powered engines could become achievable within the next dozen years. Successful recentground tests of ...

India-Russia joint venture BrahMos Aerospace wants to double the speed of its ramjet-powered supersonic cruise missile to beyond Mach 5 as an interim step towards the development of a clean-sheet ...

India-Russia joint venture BrahMos Aerospace wants to double the speed of its ramjet-powered supersonic cruise missile to beyond Mach 5 as an interim step towards the development of a clean-sheet ...

<br> -- Q U E S T I O N: So, you explained how a gas turbine engine works. Pretty good job. Now try explaining how the Sterling cycle engine works? — Rob M. Q U E S T I O N: Okay, so we’ve covered the ...

NASA has been officially recognized for setting the speed record for a jet-powered aircraft by Guinness World Records. NASA set the record in November during the third and final flight of the ...

Alliant Techsystems (NYSE: ATK – News) successfully certified its Advanced Propulsion Research Complex (APRC) during a recent direct-connect test of a Variable Flow Ducted Rocket (VFDR) propulsion ...

The November 16 flight took place in restricted airspace over the Pacific Ocean northwest of Los Angeles. The flight was the last and fastest of three unpiloted tests in NASA's Hyper-X Program. The ...

They call it a "scramjet," an engine so blindingly fast that it could carry an airplane from San Francisco to Washington, D.C., in about 20 minutes -- or even quicker. So fast it could put satellites ...