The term 'alien' generally refers to a life-form not of Earth, but it can also be used to describe anything, including objects, from another world or system.

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What kind of food do Aliens eat? [on hold]

This would pertain to meat or plant life. One possible answer I have is a particular food that doesn't exist here on Earth.
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Are there any aliens identical to humans who aren't friendly in the Star Trek universe?

Usually in Star Trek alien races have alien appearances, whether it's just a bump on their nose, spots, or a totally alien appearance. I'd hypothesize that the only aliens who look identical to human ...
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70s novel about government faking an alien invasion

This mid-70s novel was marketed as a mainstream thriller - the USA is falling apart and the president realizes the country needs a common enemy to pull together. So he gathers together a team of ...
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134 views

Why are humans the most populous race in the galaxy?

This answer states that 42.6% of all beings in the galaxy are humans - a staggering percentage, considering that the runner-up, the Twi'leks, constitute only about 3%. This is an astounding ...
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1answer
253 views

Mankind prepares for a war with aliens by warring among itself

I am looking for the title or author of a atory I read back in the 90's, no idea when it was written. The plot goes something like this: Humanity has gained access to space travel and sends 9 or 12 ...
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1answer
74 views

Short story where the alien possesses people, switching between 1st and 3rd person narrative [duplicate]

I read a book years ago, however don't recall the title and I'd like to read it again! The story involved a creature or alien telling the story from a first person perspective, how he sits and waits ...
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171 views

Alien surface transport that walks, not rolls

A magazine connected with (Boy) Scouting, possibly "Boys Life", in the early 1950's ran a short story in which a group of interplanetary explorers on an extraterrestrial planet, which may have been ...
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105 views

Alien invasion: aliens create a game and challenge humans

Recently, a short story I read in high school, has been on my mind. I do not know what is the name of it. It has been about 6 years since I read it. Here is what I remember about it. An alien race ...
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61 views

Infection by dead Things

Based on John Carpenter's 1982 film The Thing and its 2011 prequel (also titled The Thing), is it possible for someone to get infected by a dead Thing?
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91 views

Title / Author of a short story about a man reassembled by aliens

There was this short story (I think it was not a standalone novel) about a man who was abducted by aliens, dismantled and remodelled so that his body works better. He was in some sort of mental ...
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Was the Thing trapped in its current form until assimilating another, or could it retake the form of previous assimilations?

In the 1982 film The Thing, was the creature trapped in its current form until it could assimilate another, or could it retake the form of previous assimilations?
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91 views

Is The Thing biologically compelled to infect other worlds?

In John Carpenter's The Thing (1982), is it a biological imperative of The Thing to eventually travel to another world? The Thing that was unearthed in Antarctica had travelled to Earth on a ...
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57 views

Movie with an alien with purple eyes that possesses a child

I'm trying to remember a movie about aliens, where a guy comes across a purple wall and later gets possessed by aliens? When possessed he tries to kill his wife, he looks the same, though he has (at ...
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63 views

Book where a slave/prisoner hooks his brain up to a spaceship

I only remember bits and pieces of this book, but I'd really like to reread it. Basically, this teenager has been a prisoner his whole life and he's forced to explore spaceships (for boobytraps and ...
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533 views

Science Fiction story about aliens and a dead earth

I'd like to ask if you'd be able to identify a story I read years in high school. I think it was around 1987 when I read an interesting science fiction story in a multistory novel. The novel was ...
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1answer
89 views

Short story about 4 coloured beetle-like aliens in a terrarium

Story starts with a guy buying a terrarium with 4 groups of beetle-like insects brought and installed in his own house by an alien race. A different color each. Each tribe were supposed to start a ...
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1answer
45 views

Carnival short story/novella?

Was there a short story titled "Carnival" about alien beings who use humans as surrogate mothers. This is about an alien who treats a human as a pet, but still has him (?) carry the embryo. Is this ...
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118 views

Book title with a harsh alien world and buoyant balloon-like beings

I specifically remember that those buoyant explosive gas filled balloons were an annoyance for flying ships. This is mentioned several times in the book. At the end they seemed to play a very ...
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202 views

What is the first work of science fiction in which no character is an earthling and there is no mention of Earth?

I am looking for the first work of science fiction in which no character is an earthling and Earth is never mentioned or referred to, even indirectly. Star Wars would be an example of such a work.
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What is the origin of the 'typical' alien? [duplicate]

When most people (well, probably not people from this site, but the general public) think of an alien, they probably think of an alien in the general form like below: This sort of alien has the ...
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129 views

Story involving Aliens stopped by Cheap Rifle

Many years ago, I read a story about aliens coming to Earth. Their plan was to subjugate Earth. They were stopped because a gun manufacturer sold cheap(under $50) high powered rifles. I am trying ...
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190 views

What was the name of the tv show about a guy who lives in a small town with aliens disguised as humans?

SO I watched it awhile ago and I can't remember the name of this show so basically what it is about is this guy who is a detective I think and he lives in a smallish town where aliens have disguised ...
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96 views

Book about post-apocalyptic survivors and slug-like alien invaders

I read this ~1995-1997, and I think it was new. For whatever reason, my school library had a copy. The story was about the few survivors of post-apocalyptia. Alien slug-like creatures had managed to ...
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221 views

80's movie with creepy dog?

This might be a long shot with how little I remember of the movie. I only remember one scene, where a small dog flies through a window knocking a man out. Then it shows the man laying there while ...
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219 views

Did fictional works involving alien abduction antedate claims of abduction?

Which fictional work (of any format) was the first to feature the abduction of a human from Earth by aliens? In particular, did this work precede the first reports of purported abductions in the ...
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60 views

First reference to extraterrestrial life forms who weren't considered Gods in sci-fi?

Extraterrestrials/aliens form a major part of science fiction. I know there are myths going back to ancient times of aliens, but I was wondering what the first reference in the actual science-fiction ...
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scifi horror movie/episode involving an alien emerging from a dimensional gate

I vaguely remember channel surfing in the late 90's and seeing a horror movie scene in which a woman emerges from a portal/gate/wormhole and says something like "there's thousands of them!". She is ...
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Looking for a sci-fi film from the 80's involving cattle mutilation

I'm trying to identify a movie I watched back in the early-to-mid 80's on cable, most likely HBO or Showtime. In the movie, aliens visit a small town. The visit is witnessed by two children - a local ...
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115 views

Scifi movie about a spaceship where alien creatures (birds) become smaller as they come closer, ie., reverse-perspective?

Have been looking everywhere for the name of this movie. Here's what I remember: A spaceship and crew are flying somewhere. Something goes wrong and 2 people from the crew have to go outside in suits ...
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321 views

Goofy looking alien robots lose a “Kleptonite Ball” towed behind their spacecraft

I remember watching this on TV in the United Kingdom in the late 1970s or early 1980s. I only saw one episode, and the ending resolved very little, leading me to believe that it was a pilot for a TV ...
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57 views

Does the Cobalcat appear in any other stories apart from “Tuf Voyaging”?

There's a great early SciFi book by George R R Martin called "Tuf Voyaging". In one of the chapters he uses his spaceship "Seed Ship" to create a bunch of alien monsters for a planet that fights it ...
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142 views

Looking for a story about aliens building invisible structures on earth

I'm looking for help locating a story read about 20 years ago. Aliens appear on earth, and for some reason, the human eye can't see the buildings they make. At first, it's a novelty, but later, it ...
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What movie features an abandoned spaceship with English and alien writing on it?

I am looking for a movie I saw the beginning of when I was a kid. I remember astronauts boarding what seemed to be an abandoned spaceship (I think it had the NASA sign on it) but when they board the ...
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105 views

Short story about aliens observing people going to the dentist

I once read a short story where the narrator (I believe) is an alien, or is at least someone who has no idea of any cultural norms or meaning behind anything related to our world. They are observing ...
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189 views

Short story about humans from alien perspective

This is what I remember: Script is dialogue between the starship's alien commander and a low-ranking alien It's about the low-rank simulating humans (who are extinct) and telling them they're dead ...
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aliens use hypnotic suggestion to make guy think they are human too

I'm trying to remember the name of a small book in which the guy thinks he is studying monkeys that had been sent to space. He starts seeing aliens everywhere and it turns out he had been abducted as ...
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Novel with boy space traveler and his alien buddy

I read this book probably 5-6 years ago. The main plot was about a boy who travels through space to individual planets with an alien buddy of his or something like that. I remember that they lived in ...
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Book about apocalyptic event involving aliens

This book has one primary male protagonist who I think is a scientist of some type who the government decides needs to help defeat some alien (I'm pretty sure it's alien) apocalyptic event. In the ...
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175 views

Short story about aliens that routinely kill their wives? Who wrote it?

Story about astronauts who landed on an alien planet. The aliens would corral all the female aliens in a pen. The males would take on a new alien wife every month (year?) and kill the old wife. The ...
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Who originated the concept about how gods are actually aliens who need “worship energy”?

An early story I've come across is the Star Trek "Who Mourns for Adonais?" about how the Olympian gods were actually powerful aliens. When they realized that humanity no longer worshiped them, they ...
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82 views

Series involving Intergalactic performance art

This is a series of books about an interstellar human civilization. After losing a few colonies to unknown reasons, Humanity comes across these rogue asteroids traveling through space. They are made ...
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Sci-fi book about 4 or 5 teenage girls who have powers, published 2000-2008

They have been chosen because they are very intelligent and have powers (seeing the past or the future, being invisible, reading thoughts...) in order to find aliens that are hiding on earth. These ...
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112 views

Book series about aliens who put “caps” on people to control them [duplicate]

I remember reading a series when I was around 7th or 8th grade about aliens who had taken over Earth by putting metal caps on people when they were "entering adulthood" to control them (not direct ...
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223 views

Story about a colony on a forest planet

A number of years ago, I read a novel of a colony on a world that was covered by dense forest. The native people were human-like but had prehensile toes and lived in the forest canopy layer in ...
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aliens teach humans a board game, report of title match

The short-story is an account of a title-match between two humans at a board-game that aliens taught humans. The account is by a child. Captain someone went space-exploring and encountered aliens. ...
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1answer
136 views

Pre-1980s Sci-fi movie about killer aliens

I'm trying to remember an old movie title from when I was a kid. I have not been able to get any information. The movie is pre 1980. Is in another planet (maybe Mars, not sure) and there are this ...
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Story Identification: “Symbiotic” Parasite Short Story

Hello I'm looking for the title to a sci-fi short story I read years ago. Here are a couple of details I remember: Humans fight a war with an alien species that develops a neurological parasite as a ...
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177 views

Trying to find book I read from library about a lone person crash landing on an alien planet

This was a book I loved reading and it was done in the style that you made choices of how to do things and then turn page to see what would happen. It had some beautiful illustrations, but for the ...
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Story about Astronauts Being Killed one by one by non-corporeal alien entity on a Deserted Planet

This science fiction short story is about a team of astronauts/space explorers who land on an alien planet. An alien entity that exists in a gaseous state is lurking at the bottom of a well or hole. ...
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115 views

Movie about a space station and an evil baby from a rock? [duplicate]

It's from the late 60's or early 70's... It's a sci fi. All I remember is a space station with a bunch of people on it, one of the scientists was a woman. They were doing research of some kind on a ...