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

The first human Mars explorers won’t have it easy. Every additional day in deep space will increase their exposure to deadly ...

Firefly Aerospace announced Nov. 28 the first test of its Miranda engine that will be used on the Antares 330 and MLV launch vehicles. Credit: Firefly Aerospace WASHINGTON — Firefly Aerospace has ...

Stoke Space is developing a fully reusable two-stage rocket it calls Nova. Credit: Stoke Space Technologies WASHINGTON — Stoke Space has test-fired a highly efficient engine it is developing for the ...

NASA's next moon mission commander raised his hands in celebration during a powerful rocket engine test. Artemis 2 commander Reid Wiseman, a NASA astronaut, was caught on video during the recent ...

Historic engine test: SpaceX fired all 33 Raptor engines on the Super Heavy V3 booster at full thrust and duration for the first time, a major program milestone. Launch window set: Federal airspace ...