With an avalanche of private space companies upon us, the number of engines meant to carry rockets and their cargo into space has grown rapidly over the past few years. This world is now dominated by ...

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 ...

3D printing for rocket engines is making a lot of headlines lately. In the last few weeks, we've told you about Aerojet Rocketdyne building and hot-firing a 3D-printed rocket engine and NASA's ...