Within the depth-psychology corpus, Gaia occupies a remarkably varied conceptual territory, ranging from primordial cosmogonic personage to speculative systems-biology hypothesis to archetypal ground of psychic life. The ancient mythographic tradition, represented most rigorously by Kerényi and Vernant, situates Gaia as the first stable entity to emerge after Chaos—universal mother, foundation of cosmic order, and generative source of gods, Titans, and monsters alike. Vernant underscores her ontological function: she is stability itself, the precondition for any oriented cosmos. Kerényi maps her mythic genealogy in detail, showing her as the Earth who quivers when invoked, the mother whose depths encompass both upper realms of growth and the chthonic underworld. Patricia Berry extends this underworld dimension into depth-psychological territory, arguing that Gaia’s original domain included death and limitation, not only nurturance—a correction to the heroic fantasy that reduces her to a positive, nurturing surface. Evan Thompson engages Gaia at the intersection of biology and philosophy, examining whether Lovelock’s Gaia hypothesis—the living Earth as autopoietic system—can be reconciled with rigorous theoretical biology. The tension between Gaia as mythic archetype and Gaia as scientific hypothesis is never fully resolved in this corpus; instead, both registers illuminate each other, suggesting that the term carries irreducible psychological and cosmological weight simultaneously.