The future of aviation? Why Rolls-Royce filed a patent for a hydrogen engine system

Hydrogen could have a big role to play in the future of aviation.

This founder helped build SpaceX’s most powerful rocket engine. Now he’s building a ‘fighter jet for orbit’

The company's novel rocket engine could be a game changer for the U.S. military.

Orion helium leak no threat to Artemis II reentry, but will require redesign

The spacecraft burns hydrazine fuel mixed with an oxidizer, nitrogen tetroxide, to power its main engine and thrusters for in ...
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World’s first ammonia-powered ship runs without oil, targets zero-carbon shipping

HD Hyundai Heavy Industries has unveiled what it calls the world’s first ammonia-powered vessel, ...