As humanity gazes toward the stars, the search for extraterrestrial life has evolved from a speculative dream into a rigorous scientific endeavor. Driven by the discovery of diverse planetary systems and the resilience of life in Earth's most extreme environments, researchers are now looking beyond our own world to answer the age-old question of whether we are truly alone in the universe. From the icy, potentially ocean-bearing moons of Jupiter to the ancient, water-carved landscapes of Mars, the quest to find life is pushing the boundaries of technology and our understanding of biology itself.