An electrospray engine applies an electric field to a conductive liquid – generating a high-speed jet of tiny droplets that can propel a spacecraft. These miniature engines are ideal for small ...

Powered by a turbocharged Subaru flat-four, this barely recognizable Elise was built to climb Pikes Peak and set lap records at Tsukuba.

Rocket engine manufacturer Ursa Major is accelerating the development of its Draper engine. The startup is collaborating with US agencies and military contractors to make the engine available for use ...