In brief: Researchers in China have successfully tested the world's first boron ramjet engine that can operate both in the air and underwater. The engine was originally conceived for hypersonic ...

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The Solid Fuel Ramjet (SFRJ) and the Hypersonic Dual-Mode Ramjet (DMRJ) are seeing rapid success as the U.S. hikes spending and development of hypersonic weapons. GE Aerospace has shed more light on ...

The U.S. military has shown off a ‘game-changing’ rocket – based on 1960s tech. A test saw a ramjet missile engine weapon fired from an unmanned aircraft – a development set to allow greater range and ...

The Japan Aerospace Exploration Agency (JAXA) has conducted a Mach 5 ramjet combustion test on an experimental hypersonic aircraft developed jointly with three Japanese universities. The experimental ...

GE and Lockheed ground tested a new air-breathing hypersonic jet engine capable of powering missiles to speeds well in excess of Mach 5 in a smaller, cheaper, lighter, and more efficient package than ...

Hypersonic developer Hermeus has begun testing a proprietary pre-cooler engine technology that will be a critical feature of the company’s ultra-fast Quarterhorse aircraft. Pre-cooling refers to the ...