Aurora” has signified a rumored SR-71 successor: a stealthy, manned, hypersonic reconnaissance jet said to cruise above Mach 5 or Mach 6 and 100,000 feet. -The tale leans on a cryptic 1985 budget line ...

The SR-91 Aurora, a reported successor to the SR-71 Blackbird spy aircraft, is conjecture with little proof of its existence. Though there was a rumor based on a budget code name and one supposed ...

Summary: Ben Rich, former head of Lockheed Martin’s Skunkworks, suggested in 1993 that advanced technologies for interstellar travel exist but are confined to secretive black projects. This claim ...

Researchers in China have introduced a new hypersonic engine concept by integrating a ramjet with a rotary detonation engine. A team at Tsinghua University in Beijing created a new design known as the ...

A US-based propulsion company, Venus Aerospace, said Wednesday it had completed a short flight test of its rotating detonation rocket engine at Spaceport America in New Mexico. The company's chief ...