British startup Pulsar Fusion has unveiled Sunbird, a space rocket concept designed to meet spacecraft in orbit, attach to ...

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

Fusion has long been the propulsion end-goal for interplanetary travel, and a U.K.-based company thinks on its way to ...

How Does an Engine Work? Before digging into this significant expense, it’s important to outline how an engine works. The engine is the heart of the car, truck, or SUV. The vehicle’s full function is ...

For decades, engineers have fought to prevent detonations in rocket engines—now, NASA is using them on purpose. The Rotating Detonation Engine (RDE) is a radical innovation that leverages ...

A U.K. space tech company has revealed a secret project that could change how humans travel between planets. After ten years ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. At this point, being fast is beside the point for the ...