Russia’s ambitious MiG-41 project has whipped the world into curiosity with suggestions of near-space flight capabilities and ...

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 ...

Scientists at the forefront of hypersonic weapons research in China say they have a more powerful revolutionary air-breathing engine. The “revolutionary” air-breathing engine could lift an aircraft ...

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 ...

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 ...

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 ...

It takes a lot of fuel to launch something into space. Sending NASA’s Space Shuttle into orbit required more than 3.5 million pounds of fuel, which is about 15 times heavier than a blue whale. But a ...