Extraterrestrials In Fiction
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An extraterrestrial or alien is any
extraterrestrial life Extraterrestrial life, colloquially referred to as alien life, is life that may occur outside Earth and which did not originate on Earth. No extraterrestrial life has yet been conclusively detected, although efforts are underway. Such life might ...
form; a
lifeform Life form (also spelled life-form or lifeform) is an entity that is living, such as plants (flora) and animals (fauna). It is estimated that more than 99% of all species that ever existed on Earth, amounting to over five billion species, are ex ...
that did not originate on Earth. The word ''extraterrestrial'' means "outside Earth". The first published use of ''extraterrestrial'' as a noun occurred in 1956, during the
Golden Age of Science Fiction The first Golden Age of Science Fiction, often recognized in the United States as the period from 1938 to 1946, was an era during which the science fiction genre gained wide public attention and many classic science fiction stories were published. ...
.
Extraterrestrials Extraterrestrial life, colloquially referred to as alien life, is life that may occur outside Earth and which did not originate on Earth. No extraterrestrial life has yet been conclusively detected, although efforts are underway. Such life might ...
are a common theme in modern
science-fiction Science fiction (sometimes shortened to Sci-Fi or SF) is a genre of speculative fiction which typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel univers ...
, and also appeared in much earlier works such as the second-century parody ''
True History ''A True Story'' ( grc, Ἀληθῆ διηγήματα, ''Alēthē diēgēmata''; or ), also translated as True History, is a long novella or short novel written in the second century AD by the Greek author Lucian of Samosata. The novel is a ...
'' by
Lucian of Samosata Lucian of Samosata, '; la, Lucianus Samosatensis ( 125 – after 180) was a Hellenized Syrian satirist, rhetorician and pamphleteer who is best known for his characteristic tongue-in-cheek style, with which he frequently ridiculed superstiti ...
.
Gary Westfahl Gary Wesley Westfahl (born May 7, 1951) is an American scholar of science fiction. He has written reviews for the ''Los Angeles Times'', ''The Internet Review of Science Fiction'' and Locus Online. He worked at the University of California, River ...
writes:


History


Pre-modern

Cosmic pluralism Cosmic pluralism, the plurality of worlds, or simply pluralism, describes the belief in numerous "worlds" (planets, dwarf planets or natural satellites) in addition to Earth (possibly an infinite number), which may harbour extraterrestrial life ...
, the assumption that there are many inhabited worlds beyond the human sphere predates modernity and the development of the heliocentric model and is common in mythologies worldwide. The 2nd century writer of satires, Lucian, in his ''
True History ''A True Story'' ( grc, Ἀληθῆ διηγήματα, ''Alēthē diēgēmata''; or ), also translated as True History, is a long novella or short novel written in the second century AD by the Greek author Lucian of Samosata. The novel is a ...
'' claims to have visited the moon when his ship was sent up by a fountain, which was peopled and at war with the people of the Sun over colonisation of the Morning Star. Other worlds are depicted in such early works as the 10th-century Japanese narrative, ''
The Tale of the Bamboo Cutter is a (fictional prose narrative) containing elements of Japanese folklore. Written by an unknown author in the late 9th or early 10th century during the Heian period, it is considered the oldest surviving work in the form. The story detail ...
'', and the medieval Arabic ''The Adventures of Bulukiya'' (from the ''
One Thousand and One Nights ''One Thousand and One Nights'' ( ar, أَلْفُ لَيْلَةٍ وَلَيْلَةٌ, italic=yes, ) is a collection of Middle Eastern folk tales compiled in Arabic during the Islamic Golden Age. It is often known in English as the ''Arabian ...
'').


Early modern

The assumption of extraterrestrial life in the narrow sense (as opposed to generic cosmic pluralism) becomes possible with the development of the heliocentric understanding of the
Solar System The Solar SystemCapitalization of the name varies. The International Astronomical Union, the authoritative body regarding astronomical nomenclature, specifies capitalizing the names of all individual astronomical objects but uses mixed "Solar S ...
, and later the understanding of
interstellar space Outer space, commonly shortened to space, is the expanse that exists beyond Earth and its atmosphere and between celestial bodies. Outer space is not completely empty—it is a near-perfect vacuum containing a low density of particles, predo ...
, during the Early Modern period, and the topic was popular in the literature of the 17th and 18th centuries. In
Johannes Kepler Johannes Kepler (; ; 27 December 1571 – 15 November 1630) was a German astronomer, mathematician, astrologer, natural philosopher and writer on music. He is a key figure in the 17th-century Scientific Revolution, best known for his laws ...
's '' Somnium'', published in 1634, the character Duracotus is transported to the moon by demons. Even if much of the story is fantasy, the scientific facts about the moon and how the lunar environment has shaped its non-human inhabitants are science fiction. The didactic poet
Henry More Henry More (; 12 October 1614 – 1 September 1687) was an English philosopher of the Cambridge Platonist school. Biography Henry was born in Grantham, Lincolnshire on 12 October 1614. He was the seventh son of Alexander More, mayor of Gran ...
took up the classical theme of
Cosmic pluralism Cosmic pluralism, the plurality of worlds, or simply pluralism, describes the belief in numerous "worlds" (planets, dwarf planets or natural satellites) in addition to Earth (possibly an infinite number), which may harbour extraterrestrial life ...
of the Greek
Democritus Democritus (; el, Δημόκριτος, ''Dēmókritos'', meaning "chosen of the people"; – ) was an Ancient Greek pre-Socratic philosopher from Abdera, primarily remembered today for his formulation of an atomic theory of the universe. No ...
in "Democritus Platonissans, or an Essay Upon the Infinity of Worlds" (1647). With the new relative viewpoint that understood "our world's sunne / Becomes a starre elsewhere", More made the speculative leap to extrasolar planets, :the frigid spheres that 'bout them fare; :Which of themselves quite dead and barren are, :But by the wakening warmth of kindly dayes, :And the sweet dewie nights, in due course raise :Long hidden shapes and life, to their great Maker's praise. The possibility of extraterrestrial life was a commonplace of educated discourse in the 17th century, though in ''
Paradise Lost ''Paradise Lost'' is an epic poem in blank verse by the 17th-century English poet John Milton (1608–1674). The first version, published in 1667, consists of ten books with over ten thousand lines of verse (poetry), verse. A second edition fo ...
'' (1667)
John Milton John Milton (9 December 1608 – 8 November 1674) was an English poet and intellectual. His 1667 epic poem '' Paradise Lost'', written in blank verse and including over ten chapters, was written in a time of immense religious flux and political ...
cautiously employed the conditional when the angel suggests to Adam the possibility of life on the Moon: :Her spots thou seest :As clouds, and clouds may rain, and rain produce :Fruits in her softened soil, for some to eat :Allotted there; and other Suns, perhaps, :With their attendant Moons, thou wilt descry, :Communicating male and female light, :Which two great sexes animate the World, :Stored in each Orb perhaps with some that live Fontanelle's "
Conversations on the Plurality of Worlds ''Conversations on the Plurality of Worlds'' (french: Entretiens sur la pluralité des mondes) is a popular science book by French author Bernard le Bovier de Fontenelle, published in 1686. Content The work consists of six lessons popularizing ...
" with its similar excursions on the possibility of extraterrestrial life, expanding rather than denying the creative sphere of a Maker, was translated into English in 1686. In "The Excursion" (1728) David Mallet exclaimed, "Ten thousand worlds blaze forth; each with his train / Of peopled worlds." In 1752,
Voltaire François-Marie Arouet (; 21 November 169430 May 1778) was a French Age of Enlightenment, Enlightenment writer, historian, and philosopher. Known by his ''Pen name, nom de plume'' M. de Voltaire (; also ; ), he was famous for his wit, and his ...
published the novella '' Micromégas'', telling the story of a giant that visits earth to impart knowledge.
Washington Irving Washington Irving (April 3, 1783 – November 28, 1859) was an American short-story writer, essayist, biographer, historian, and diplomat of the early 19th century. He is best known for his short stories "Rip Van Winkle" (1819) and " The Legen ...
in his novel, ''A History of New York from the Beginning of the World to the End of the Dutch Dynasty'', spoke of earth being visited by Lunarians.
Camille Flammarion Nicolas Camille Flammarion FRAS (; 26 February 1842 – 3 June 1925) was a French astronomer and author. He was a prolific author of more than fifty titles, including popular science works about astronomy, several notable early science fic ...
(1842-1925) who lived in a time where biological science had made further progress, made speculation about how life could have evolved on other planets in works such as ''La pluralité des mondes habités'' (''The Plurality of Inhabited Worlds'') (1862) and ''Recits de L'Infini'' (1872), translated as ''Stories of Infinity'' in 1873. Stories written before the genre of science fiction had found its form. Closer to the modern age is J.-H. Rosny, who wrote the short story ''Les Xipéhuz'' (1887), about a human encounter with extraterrestrials who turn out to be a mineral life form impossible to communicate with.


Modern

200px, Stereotypical "UFO" alien


Late 19th century-early 20th century

Authors such as
H. G. Wells Herbert George Wells"Wells, H. G."
Revised 18 May 2015. ''
Olaf Stapledon William Olaf Stapledon (10 May 1886 – 6 September 1950) – known as Olaf Stapledon – was a British philosopher and author of science fiction.Andy Sawyer, " illiamOlaf Stapledon (1886-1950)", in Bould, Mark, et al, eds. ''Fifty Key Figures ...
and
Edgar Rice Burroughs Edgar Rice Burroughs (September 1, 1875 – March 19, 1950) was an American author, best known for his prolific output in the adventure, science fiction, and fantasy genres. Best-known for creating the characters Tarzan and John Carter, he ...
wrote both monitory and celebratory stories of encounting aliens in their science fiction and fantasies. Westfahl sums up: "To survey science fiction aliens, one can classify them by their physiology, character, and eventual relationships with humanity":
Early works posited that aliens would be identical or similar to humans, as is true of Edgar Rice Burroughs's Martians (see
Mars Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, only being larger than Mercury (planet), Mercury. In the English language, Mars is named for the Mars (mythology), Roman god of war. Mars is a terr ...
; ''
A Princess of Mars ''A Princess of Mars'' is a science fantasy novel by American writer Edgar Rice Burroughs, the first of his Barsoom series. It was first serialized in the pulp magazine ''All-Story Magazine'' from February–July, 1912. Full of swordplay and dari ...
''), with variations in skin color, size, and number of arms. ... Later writers realized that such humanoid aliens would not arise through
parallel evolution Parallel evolution is the similar development of a trait in distinct species that are not closely related, but share a similar original trait in response to similar evolutionary pressure.Zhang, J. and Kumar, S. 1997Detection of convergent and paral ...
and hence either avoided them or introduced the explanation of ancient races that populated the cosmos with similar beings. The notion surfaces in
Ursula K. Le Guin Ursula Kroeber Le Guin (; October 21, 1929 – January 22, 2018) was an American author best known for her works of speculative fiction, including science fiction works set in her Hainish universe, and the '' Earthsea'' fantasy series. She was ...
's Hainish novels (see ''
The Left Hand of Darkness ''The Left Hand of Darkness'' is a science fiction novel by U.S. writer Ursula K. Le Guin. Published in 1969, it became immensely popular, and established Le Guin's status as a major author of science fiction. The novel is set in the fiction ...
''; ''
The Dispossessed ''The Dispossessed'' (in later printings titled ''The Dispossessed: An Ambiguous Utopia'') is a 1974 anarchist utopian science fiction novel by American writer Ursula K. Le Guin, one of her seven Hainish Cycle novels. It is one of a small number o ...
'') and was introduced to justify the
humanoid A humanoid (; from English ''human'' and ''-oid'' "resembling") is a non-human entity with human form or characteristics. The earliest recorded use of the term, in 1870, referred to indigenous peoples in areas colonized by Europeans. By the 20t ...
aliens of ''
Star Trek ''Star Trek'' is an American science fiction media franchise created by Gene Roddenberry, which began with the eponymous 1960s television series and quickly became a worldwide pop-culture phenomenon. The franchise has expanded into vari ...
'' (who even intermarry and have children) in the '' Star Trek: The Next Generation'' episode '' "The Chase"'' (1993).
Another common idea is aliens who closely resemble animals.
Among the many fictional aliens who resemble Earth's animals, Westfahl lists: *
Francis Flagg George Henry Weiss (1898–1946) was an American poet, writer and novelist. His science fiction stories and poetry appeared under the pseudonym "Francis Flagg" in the magazines ''Amazing Stories'', ''Astounding'', '' Tales of Wonder'', ''Weird T ...
's ''The Lizard-Men of Buh-Lo'' (1930) * the winged Hawk-Men of the serial ''
Flash Gordon Flash Gordon is the protagonist of a space adventure comic strip created and originally drawn by Alex Raymond. First published January 7, 1934, the strip was inspired by, and created to compete with, the already established ''Buck Rogers'' adve ...
'' (1936) and its sequels * the insect-like alien enemies of
Robert A. Heinlein Robert Anson Heinlein (; July 7, 1907 – May 8, 1988) was an American science fiction author, aeronautical engineer, and naval officer. Sometimes called the "dean of science fiction writers", he was among the first to emphasize scientific accu ...
's '' Starship Troopers'' and
Orson Scott Card Orson Scott Card (born August 24, 1951) is an American writer known best for his science fiction works. He is the first and (as of 2022) only person to win both a Hugo Award and a Nebula Award in consecutive years, winning both awards for both ...
's '' Ender's Game'' * the cat-like aliens of
Fritz Leiber Fritz Reuter Leiber Jr. ( ; December 24, 1910 – September 5, 1992) was an American writer of fantasy, horror, and science fiction. He was also a poet, actor in theater and films, playwright, and chess expert. With writers such as Rober ...
's '' The Wanderer'' (1964) * the "mog" - "half man, half dog" - of the farcical '' Spaceballs'' (1987) Westfahl continues, "However, Stanley G. Weinbaum's ''
A Martian Odyssey "A Martian Odyssey" is a science fiction short story by American writer Stanley G. Weinbaum originally published in the July 1934 issue of ''Wonder Stories''. It was Weinbaum's second published story (in 1933 he had sold a romantic novel, ''The ...
'' (1934) encouraged writers to create genuinely unusual aliens, not merely humans or animals in disguise.
Olaf Stapledon William Olaf Stapledon (10 May 1886 – 6 September 1950) – known as Olaf Stapledon – was a British philosopher and author of science fiction.Andy Sawyer, " illiamOlaf Stapledon (1886-1950)", in Bould, Mark, et al, eds. ''Fifty Key Figures ...
also populated the universe with disparate aliens, including sentient stars, in '' Star Maker''. Later,
Hal Clement Harry Clement Stubbs (May 30, 1922 – October 29, 2003), better known by the pen name Hal Clement, was an American science fiction writer and a leader of the hard science fiction subgenre. He also painted astronomically oriented artworks under ...
, a
hard science fiction Hard science fiction is a category of science fiction characterized by concern for scientific accuracy and logic. The term was first used in print in 1957 by P. Schuyler Miller in a review of John W. Campbell's ''Islands of Space'' in the Novemb ...
writer famed for strange but plausible worlds, also developed bizarre aliens in works like ''Cycle of Fire'' (1957)."


See also

Articles related to the phenomenon of extraterrestrials in fiction and popular culture: *
History of science fiction The literary genre of science fiction is diverse, and its exact definition remains a contested question among both scholars and devotees. This lack of consensus is reflected in debates about the genre's history, particularly over determining its ...
*
Alien invasion The alien invasion or space invasion is a common feature in science fiction stories and film, in which extraterrestrial lifeforms invade the Earth either to exterminate and supplant human life, enslave it under an intense state, harvest people ...
*
Parasites in fiction Parasites appear frequently in biology-inspired fiction from ancient times onwards, with a flowering in the nineteenth century. These include intentionally disgusting alien monsters in science fiction films, often with analogues in nature. Auth ...
*
List of fictional extraterrestrials This list of fictional extraterrestrial species is subsidiary to the lists of fictional species and is a collection of various notable extraterrestrial species that appear in various works of fiction. It is limited to well-referenced example ...
*
List of films featuring extraterrestrials Note: This is a list of films that feature extraterrestrial life.