The rocket in question was driven by a powerful Russian engine unlike any ever built in the States. Although this particular engine was new, the design dated back to the space age. By the early ...

However, the Japan Aerospace Exploration Agency (JAXA) has recently completed a successful test of a different type of rocket ... engine in the annular channel to continue the combustion cycle.

Rocket Lab’s new oxidizer-rich staged combustion cycle rocket engine that will power the reusable first stage of Neutron and its second stage capable of delivering up to 13,000 kilograms of payload to ...

the administration has announced that researchers have successfully developed and tested a new type of rocket supersonic rocket engine called a Rotating Detonation Rocket Engine (RDRE) that will ...