The discussion on the origin of life often focuses on where and how it began, but I believe it is just as important to consider the fundamental role of life in the universe. What purpose does life serve in a cosmic context? What physical effects does it have on planetary systems? Rather than analyzing the current state of life, we may gain deeper insights by working backward from the necessary conditions for life’s existence.
One possible hypothesis is that life functions as a thermal regulation system. Just as in the story of Goldilocks, where conditions must be "just right" for life to emerge, the presence of life itself may play a role in maintaining this balance. If life only arises under optimal thermal conditions, then its role might include sustaining those conditions over time.
At the same time, life has evolved from single-celled to multicellular organisms, from plants to animals, continuously increasing in complexity and mobility. This suggests that life is not meant to remain confined to one place but is naturally inclined to spread, even beyond planetary boundaries. If this hypothesis holds, life inherently seeks movement and expansion —consciously or unconsciously— and has the potential to terraform multiple habitable planets.
From an entropy perspective, life plays a dual role: it disperses across space while simultaneously reducing local entropy through intelligence-driven processes. This cycle of diffusion, local convergence, and further expansion could be a fundamental aspect of life’s function. In simpler terms, life may be an entropy regulation mechanism, which makes the possibility of life existing and thriving beyond Earth highly plausible.
Much like how ancient Earth’s organisms were unaware of each other’s existence across vast distances, it is entirely possible that extraterrestrial life operates within a similarly fractal pattern, remaining beyond our current recognition.