Red Mars is a science fiction novel written by Kim Stanley Robinson. It is the first book in a trilogy that explores the colonization and terraforming of Mars. The story follows a group of scientists and engineers who are tasked with transforming Mars into a habitable planet. As they face numerous challenges and conflicts, the characters grapple with questions of ethics, politics, and the future of humanity. Red Mars is praised for its scientific accuracy and detailed portrayal of the challenges of colonizing another planet.