NASA's Curiosity rover uncovers vital insights into Mars' shift from a water-rich environment to a barren desert. This episode explores the rover's analysis of carbon-rich rock samples, revealing two climatic scenarios that could explain the planet's drastic changes. We discuss the implications for the potential existence of past life and what these findings mean for future exploration of the Red Planet.Sources:https://www.space.com/curiosity-rock-samples-uninhabitable-marshttps://twistedsifter.com/2024/10/huge-reservoirs-of-water-found-under-mars-surface/Outline:(00:00:00) Introduction(00:00:38) How did Mars turn into an uninhabitable desert? Curiosity rover rock samples may have answers(00:03:55) Huge Reservoirs Of Water Found Under Mars’ Surface