Hydrogen powered hypersonic flight is moving from speculative concept to detailed engineering plan, with aerospace startups and research partners sketching out aircraft that could cross continents in ...

The world's first hydrogen-fueled hypersonic jet may be able to reach a simply astounding speed of 12 times the speed of ...

Stratolaunch may conduct another hypersonic test flight this weekend from California's Mojave Air & Space Port. The flights are part of a Department of Defense program to test advanced capabilities ...