As the aerospace and defense industries shift towards sustainability and operational efficiency, hydrogen is emerging as a game-changer for space travel. Hydrogen-powered rockets are gaining traction due to their clean and powerful propulsion capabilities. The process of splitting water molecules into hydrogen and oxygen gases through electrolysis is paving the way for a more environmentally friendly fuel source. The aerospace sector has seen a significant increase in patents related to hydrogen-powered propulsion systems, indicating a growing interest in this technology. Companies like Toshiba, Siemens, and start-ups like Rondo Energy are leading the way in developing advanced materials and propulsion systems for hydrogen rockets. Hydrogen-powered rockets offer advantages like reduced emissions, higher specific impulse, and the potential for using locally sourced water as fuel, making them a promising solution for sustainable space exploration. Despite facing technical challenges, hydrogen-powered rockets hold the promise of enabling more efficient and environmentally friendly space missions, ultimately reshaping the future of space travel.