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

While this latest test doesn’t make nuclear-powered rocket engines viable just yet, it’s an important step on the journey.

Triumph Motorcycles is one of the oldest manufacturers of two-wheeled rides, and it also has the distinction of creating some ...

NASA and General Atomics tested the fuel by exposing it to temperatures up to 3,000 Kelvin (4,940 Fahrenheit or 2,727 Celsius ...

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

Not every experimental jet fighter made by the U.S. military would go on to reach production, for any number of reasons.

This aerial photo taken on Dec 10, 2023 shows a Chinese commercial reusable rocket named SQX-2Y blasting off from the Jiuquan ...

A California-based company, SpinLaunch, is making waves with its innovative satellite launch system, drawing particular ...

Rob Dahm, notorious rotary-powered car builder, has firmly jumped into the deep end of the pool with his latest project: The ...

Building on the remarkable progress achieved in recent years, China's commercial reusable rocket developers are poised to reach new heights ...

Blue Origin’s suborbital rocket took a 10-minute flight into space and back Tuesday with science experiments on board to support NASA’s new moon program. The company’s New Shepard rocket lifted off ...

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 ...