Hydrogen, the fundamental element that shaped the cosmos, from the early moments of the Universe to its role in Earth's geological processes and potential as an energy resource, continues to intrigue scientists and inspire visions of the future. The article delves into the origins of cosmic hydrogen, emphasizing its abundance and significance in the formation of stars and galaxies. It traces the journey of hydrogen from the primordial Universe to its presence in Earth's geology, highlighting the potential of geologic hydrogen reservoirs as a clean energy source with economic implications. The article discusses a recent study that estimates Earth's subsurface hydrogen reservoir mass, showcasing its potential value for the global economy and energy landscape. Furthermore, the article explores the geopolitical implications of mining geologic hydrogen, pointing out that nations with abundant reservoirs could benefit economically. It also discusses the current methods of hydrogen production and the shift towards utilizing natural subsurface deposits, which could be more cost-effective on a larger scale. The narrative extends beyond Earth, suggesting that cosmic hydrogen could fuel humanity's ambitions in space exploration, emphasizing the importance of hydrogen as an energy source for interstellar travel. The article culminates in the author's visionary outlook on humanity's future as an interstellar species, highlighting the role of hydrogen as a crucial component in achieving this goal. From discussions on energy resources to space exploration and scientific research, the article paints a positive picture of hydrogen's potential in shaping the future of both Earth-bound and extraterrestrial endeavors, leaving readers with a sense of optimism and wonder about the possibilities that hydrogen presents.