Jeff Thornburg helped turn a government research project into SpaceX’s most powerful rocket engine. Now, he’s trying to do the same thing at his startup Portal Space Systems, which is taking an idea ...

A prototype ion engine that uses lithium vapor as a propellant has aced its first tests, achieving 25 times more power than ...

UK space propulsion company Pulsar Fusion has conducted the first test of a prototype exhaust system for a nuclear fusion rocket engine that could dramatically cut transit times for missions to Mars ...

WASHINGTON — Astrobotic, a developer of lunar landers and suborbital rockets, has successfully tested an advanced rocket engine that could power those vehicles. The Pittsburgh-based company announced ...

These hands-on projects are a highly engaging way for high school students to explore aerodynamics and physics.

Astrobotic completed a successful series of hot-fire tests of its rotating detonation rocket engine prototype, marking a key milestone for the experimental propulsion technology.

Rotating detonation rocket engines work differently than traditional rockets to maximize thrust while using less fuel—an ...

A 220-ton-class BF (Blue Flame) methane–liquid oxygen rocket engine developed by Landspace fires during a long-duration ground test in 2026. Credit: Landspace HELSINKI — Chinese launch startup ...

SpaceX’s Raptor engine and Blue Origin’s BE-4 engine are two key innovations in rocket propulsion, each with its unique design and performance characteristics. While the Raptor engine leverages ...