The creators of Climate Impulse have unveiled the progress they have made on the design and building of the experimental, ...

An international team of engineers and space scientists has used a variety of assumptions, techniques, and math principles to ...

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 revolutionary propulsion concept using light sails could one day allow small spacecraft to travel between stars at ...