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

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 ...

Swiss aviation pioneer Bertrand Piccard is developing a plane powered by liquid hydrogen after a much-hyped flight in 2015 ...

Near-term opportunities for Air Liquide come from blue hydrogen in the U.S., while green hydrogen is a bigger and ...

The Houston Rockets were a little busy during the trade deadline, making separate deals with the Boston Celtics and Atlanta Hawks for end-of-roster players. Bleacher Report writer Grant Hughes ...

While the midair explosion of the SpaceX's Starship rocket made for an unsuccessful flight test it also made for an unforgettable optical experience in the Caribbean. The launch marked the seventh ...

After more than a week since their last victory, the Houston Rockets added another win to their record by pulling away from the Toronto Raptors in the fourth quarter on Sunday afternoon.