New Earth is a fictional planet in the Doctor Who universe, first introduced in the episode "New Earth" from the second series of the revived show. It is set in the distant future and serves as a new home for humanity after Earth becomes uninhabitable. The planet features advanced technology and a vibrant ecosystem, showcasing a blend of futuristic cities and natural landscapes. The episode also introduces the Face of Boe, a mysterious character who plays a significant role in the story. New Earth is notable for its exploration of themes like redemption and the consequences of scientific experimentation, particularly through the use of human clones in the narrative.