Humanity’s plans for deep-space exploration hinge on the ability to use basic resources, such as water, to propel rockets to farther destinations in the solar system. Despite decades of ...

Space startup General Galactic aims to fly a satellite using only water for in-orbit propellant. The 1,100-pound satellite could validate two separate methods for water propulsion when it flies to ...

One of the major driving forces behind the pursuit of green energy sources in the last few decades has been the relative scarcity of oil around the world. Because it is very gradually becoming more ...

Beyond Aero’s BYA-1 business jet will be powered by a hydrogen-electric propulsion system for which the company has recently achieved TRL6.

HamiltonJet’s latest innovation – the LTX waterjet – has moved from initial design to commercial reality, with the first LTX36 jets commissioned on a 20-m passenger ferry in The Netherlands. During ...