Questions tagged [aliens]
For questions about a different and uncharacteristic species or object that has come to the world from another world. NOT for questions about extraterrestrials in their native environment.
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Why would alien nations send members to go to the Galactic Hunger Games willingly? [closed]
I am writing a story where the Galactic Hunger Games take place every 3 years. The competitors only use their natural weapons and tools that they can make in the arena. If a species wins, they get ...
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Energy released by the sudden appearance of an alien obelisk?
In the not-too distant future, mysterious obelisks made of unobtainium begin to materialise around the world. They do not fall from space, but appear suddenly; teleporting into seemingly random ...
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At what point in history would we first be capable of decoding a modern digital wireless signal? [closed]
The basic setting: in the 1940's, aliens arrive on Earth and set up a system of intelligence gathering, monitoring, and study. They are very good at hiding their presence, but their communications ...
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Division of Europan Nations
A species of sapient aliens on Europa (how these aliens even exist is irrelevant) evolved and developed civilization alongside humanity, but like humanity they are divided into various nation states (...
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How can blood fuel space travel?
I’m going to write a Sci-fi where blood offerings are required for hyper speed space travel.
Space travel is obtained by offering the blood sacrifices to an alien race whose mass is so thin, they are ...
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How to translate alien language when the aliens are dead?
I'm writing a hard-ish science-fiction novel, and a problem came up with the background.
In the novel, humans figured out p-p fusion through magnetic monopole catalysis by way of Roswell. In 1947. Cue ...
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Review request: How the alien swarm deals with aerial enemies
Consider a type of organism that falls into the category of hive-like aliens, for example Tyranids from 40K and the Terminids from Helldivers. My idea is distinct from other versions presented in ...
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What nutrients does pure skin need to survive by itself?
The videogame Starcraft has a faction called the Zerg who rely on a groundcover material called the Creep to supposedly transport nutrients amongst their living buildings.
I wanted to have a Zerg expy ...
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How rare is ancient debris?
A Star Wars-like civilization once dominated this sector of galaxy, having serious cargo fleets running to and fro, and military fleet capable of deflecting a galaxy-size threat. They did have enemies,...
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Detecting interstellar alien stations?
Background
We have an alien civilization that is very advanced and highly afraid of detection who decided to colonize outer space with stations. The following elements are taken into consideration for ...
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Ozondo System question 2: Effects of a high-gravity cold world on early spaceflight?
Link to the previous question: Review my solar system
Now on this question I want to zoom in on Thoria, the third planet from the star and the only habitable one (for carbon-oxygen based lifeforms ...
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Review my solar system
I am working on a sci-fi story, and have created a fictional system for one of my alien species. How realistic is it and if not what modifications can be made to make it realistic?
Star:
Ozondo: K-...
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4 Species in the Solar System at the same time? [closed]
The Solar System has 4 separate species/civilizations, the Human one on Earth, the native Martian one on a habitable Mars, silicon-based life on Venus, and Methane based Life on Titan. They all ...
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What is acceptable as currency in sci-fi setting with aliens, ftl, and abundant resources and no centralized government?
In a constraint of a single world, resources are finite, therefore valuable. But when the whole universe opens up, resources become abundant, limitless...
What becomes the new "valuable/currency&...
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Could this form of communication work?
I've contemplated a species of sapient aliens with tails like those on terrestrial rattlesnakes; instead of speaking verbally they use their rattle-tails to make sounds for communication - could this ...
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