Eco-friendly alternatives to fossil fuels are venturing beyond Earth—and into space.

A new test of nuclear propellant fuel under space-like conditions has been hailed as a success by NASA and General Atomics ...

Russia's State Atomic Energy Corporation, Rosatom, recently developed a new spacecraft engine with impressive specifications.

A laboratory prototype of a plasma electric rocket engine based on a magnetic plasma accelerator has been produced by Rosatom ...

Since then all the advances have been in making rockets larger and more efficient through innovations peripheral to the rocket engine itself. There are alternatives to chemical rockets ...

Pulsar Fusion's ambitious goal is to construct the largest and most practical nuclear fusion rocket engine to date ... primary challenges is developing materials that can withstand the extreme ...

Rob Dahm is refining the unique 15.7-liter Y12 rotary engine, originally designed by Tyson Garvin as a twelve-rotor ...

The newly tested engines could power a variety of space projects. China's state-owned main space contractor tested five different rocket engines on one day last week in preparation for future ...

According to the Blue Origin website, the engines of the Blue Origin New Glenn reusable rocket were made in Kent, Wash. and Huntsville, Ala. The engines are the BE-3PM, BE-3U, BE-4 and BE-7.