Prof Sanjeev Gupta, a geologist at Imperial College, was instrumental in the Mars rover missions, and Kelly Weinersmith is an acclaimed biologist and author of the award-winning book 'A City on Mars.' They explore the ancient Martian landscapes and the harsh realities of life on the red planet. While discussing human settlement, they highlight extreme conditions, from thin atmosphere to psychological challenges. Ethical implications of corporate governance in space colonization are also examined, raising critical questions about life on Mars.