The United States has actively pursued the development of hypersonic weapons—maneuvering weapons that fly at speeds of at least Mach 5—as a part of its conventional prompt global strike ...

Credit: Lockheed Martin A secretive DARPA office has a new project: a large hypersonic bomber prototype. The Aerospace Projects Office (APO) keeps a low profile, even by DARPA standards.

The partnership aims to produce an affordable, hypersonic military drone made by Cummings in the near-term, while maturing the propulsion system for eventual use... Cummings, ATRX Launch ...

Less fuel and emissions, more power, higher revs. EcoMotors' OPOC engine promised it all. Investors, including Bill Gates, ...