The Universe (2007)

S5E2 Mars: The New Evidence

Title: Mars: The New Evidence Plot: The quest for signs of life on Mars uncovers compelling indicators that it either currently supports or once harbored life. Researchers discover ancient lakebeds and riverbanks that hint at a wetter past, alongside the presence of frozen water ice at the planet's poles. Additionally, the fluctuating levels of methane in the atmosphere suggest the possibility of ongoing microbial activity beneath the surface, offering hope that life may still exist in the planet’s hidden depths.