Former SpaceX engineer, Halen Mattison, and his startup, General Galactic, are looking to revolutionize rocket propulsion by turning water into rocket fuel. Their ambitious project, discussed in ...

The idea of using in-situ resources, such as water, on the surface of distant worlds to synthesize rocket fuel has been around for many decades. For many years, for instance, scientists have suggested ...

Dutch startup Renewable Iron Fuel Technology burns iron powder in boilers to make carbon-free heat. The firm just raised $131 million to commercialize ...

The farther the destination, the more fuel a rocket needs. The more fuel the rocket carries, the heavier the spacecraft. The heavier the spacecraft, the more fuel it requires to launch. Experts at ...