Eco-friendly alternatives to fossil fuels are venturing beyond Earth—and into space.

The captured CO2 goes through the Sabatier reaction with hydrogen from electrolyzed water to produce methane and oxygen. Methane operates as rocket fuel within a looped operation that uses oxygen as ...

While this latest test doesn’t make nuclear-powered rocket engines viable just yet, it’s an important step on the journey.

Rockets propelled by ... To test the fuel, General Atomics took the samples and subjected them to six thermal cycles that used hot hydrogen to rapidly increase the temperature to 2600 degrees ...

Now imagine a clean fuel that does not pollute and produces only water as waste. That’s the promise of green hydrogen, which is made by using solar and wind power to split water into hydrogen ...

Hydrogen is emerging as a promising fuel for rockets due to its potential for providing clean, powerful propulsion. Hydrogen-powered rockets utilize hydrogen gas as their fuel source, which is ...

First conceived of in 1945, this is a rocket that replaces burning chemical fuel with a nuclear reactor that is used to heat up a propellant. This propellant is most likely hydrogen, though ...

The company has successfully trialed a nuclear fuel that could ... chemical propellant, a rocket would use a nuclear reactor to heat propellant – most likely hydrogen. The thermal energy ...

Hydrogen fuel trains are a revolutionary mode of transportation that utilises hydrogen as a clean and sustainable fuel source. Unlike traditional trains that rely on fossil fuels, hydrogen trains ...

The fourth edition of LEAP, Saudi Arabia’s technology event, is set to host the annual Rocket Fuel Startup Pitch Competition. LEAP 2025 will take place at the Riyadh Convention and Exhibition ...

Space is the only place where rocket fuel could be more precious than water. The China Manned Space Agency announced last month that taikonauts on the ongoing Shenzhou-19 mission successfully ...