NASA built an X-42A hydrogen-powered scramjet to reach speeds of Mach 9.6 for a brief moment in 2004. Therefore, this new ...

And there you have it. After several years of hard work, the first test flight of what is to our knowledge America's first privately-developed hypersonic aircraft took place last week, opening the ...

Hermeus has stolen another quick march on its way to building a hypersonic aircraft as it begins testing its proprietary precooler on a Pratt & Whitney F100 jet engine that will be installed in the ...

Dawn Aerospace has flown its rocket-powered aircraft past the speed of sound, the latest milestone on its path to its first commercial flights. During the test, which took place on New Zealand’s South ...