Spiritual journeys in sci-fi often explore internal transformation and metaphysical insight, while cosmic quests emphasize vast interstellar missions, often driven by discovery, survival, or destiny. In the evolving landscape of speculative fiction, the boundary between the spiritual and the scientific is often blurred. Nowhere is this blend more vivid than in spiritual journeys and cosmic discoveries in sci-fi books , where inner awakenings and galactic explorations merge into a rich, multilayered narrative tradition. These two dimensions of science fiction are not mutually exclusive but are instead distinct thematic currents that shape the genre’s most enduring works. Understanding how they differ—and how they occasionally converge—is key to appreciating the deeper philosophical and imaginative reach of sci-fi storytelling. Readers and scholars alike have long been drawn to this duality: one that pits the journey of the soul against the vast theater of the universe. While both type...