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 ...

Researchers demonstrated the first fully 3D-printed, droplet-emitting electrospray engine. The low-cost device can be fabricated more quickly than traditional thrusters, potentially from on board a ...

A prototype electric plasma rocket engine capable of significantly increasing thrust and efficiency has been unveiled by ...

In 2023, Sierra Space announced the VR35K-A had completed engine component testing, which allowed the company to advance to the full engine hot fire testing campaign. Next, Sierra Space will continue ...