The Alien (also referred to as a Xenomorph) is a fictional endoparasitoid extraterrestrial species that is the primary antagonist of the Alien film series. The species made its debut in the 1979 film Alien, and reappeared in its sequels Aliens (1986), Alien 3 (1992), and Alien Resurrection (1997). It has also appeared in the series' two spinoffs Alien vs. Predator (2004) and Aliens vs. Predator: Requiem (2007), as well as the various literature a...
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The Alien (also referred to as a Xenomorph) is a fictional endoparasitoid extraterrestrial species that is the primary antagonist of the Alien film series. The species made its debut in the 1979 film Alien, and reappeared in its sequels Aliens (1986), Alien 3 (1992), and Alien Resurrection (1997). It has also appeared in the series' two spinoffs Alien vs. Predator (2004) and Aliens vs. Predator: Requiem (2007), as well as the various literature and video game spin-offs from the series.
Unlike many other recurring enemy extraterrestrial races in science fiction, the aliens are not an intelligent civilization, but predatory creatures with no higher goals than the propagation of their species and the destruction of life that could pose a threat. Like wasps or termites, aliens are eusocial, with a single fertile queen breeding a caste of warriors.
The aliens' biological life cycle, in which their offspring are violently implanted inside living hosts before erupting from their chests, is...
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