"Remembrance of Earth's Past" is a science fiction trilogy by Chinese author Liu Cixin. It includes three novels: The Three-Body Problem, The Dark Forest, and Death's End. The series explores humanity's first contact with an alien civilization and the complex consequences that arise from this interaction. The story delves into themes of science, philosophy, and the nature of civilization. It examines the challenges of communication between species and the moral dilemmas faced by humanity in the face of existential threats. The trilogy has received critical acclaim and won several prestigious awards, including the Hugo Award.