Xenocide

Xenocide is a science fiction concept referring to the deliberate extinction of an alien species. It involves using advanced technology or methods to wipe out an entire extraterrestrial population, often to protect humanity or other species from perceived threats. The term highlights the moral and ethical dilemmas of preemptive action against unfamiliar life forms, balancing concerns of safety with the value of alien life. It is a central theme in discussions about interstellar conflict and the ethical responsibilities involved in contact with extraterrestrial civilizations.