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15 votes
11 answers
6k views

What could a technologically lesser civilization sell to a more technologically advanced one?

In a Lil sci-fi universe I'm currently writing Humanity has reached the stars, quickly establishing an impromptu interstellar colonial empire made up of hundreds of star systems, puttering along the ...
-1 votes
2 answers
139 views

What characteristics would my Enslaver Aliens find attractive in each other? [closed]

Each photo I have here is that of an Enslaver Alien. Thank you midjourney for helping me create these creatures. They are an alien species that can grow to the size of a fifteen story building and are ...
6 votes
4 answers
1k views

What kind of alien homeworld would result in the following kind of alien (i.e. my Enslavers) naturally evolving? [closed]

Pictures are provided below. But overall there are three sentient alien species, at the top of the universe food chain in my setting. One of them are the Enslaver Aliens (different individuals shown ...
7 votes
2 answers
114 views

Realistic Intake Food Required To Maintain Healing Factor

So, to start out with. I've got a character with an alien biology and has an accelerated healing factor. Nowhere near the likes of Wolverine, or Deadpool but better than a regular Humans and allows ...
3 votes
2 answers
283 views

How destructive would a antimatter bomb be?

I already know that antimatter is a destructive thing. But how destructive is it? I want in my far future human reality there be a mass produced bomb using antimatter that makes sure aliens know to ...
10 votes
16 answers
6k views

Why would most species avoid democracy?

In my world, there are humans (often called Earthlings) and eight alien species. Humans have an Earth government best described as a democratic quinquevirate: to be exact, this is an elective semi-...
-5 votes
2 answers
132 views

How could people handle arachnophobia in a world where spiders have the size of pets? [closed]

I am thinking about an alien planet where most species of spiders are the size of cats and dogs and the biggest of the most rare species are the size of a car. In this world there is the same ...
3 votes
4 answers
629 views

Aliens exist on the other side of the nearby wormhole, but we don't know wormhole exists yet. How might they be detected and communicated with?

Scenario: Humans have setup an observation/research station close enough to study the super blackhole Sagittarius A*, which in this world is a wormhole. Aliens exist on the other side. (I am flexible ...
user avatar
4 votes
3 answers
495 views

How to Detect Things Through Lava

I'm coming up with an alien species that can swim through magma. Assuming that all necessary body parts are somehow protected from/immune to the magma, what would be feasible senses for it to use to ...
1 vote
2 answers
145 views

Coexisting with a sapient swarm intelligence

My story involves a sapient swarm intelligence, which I've detailed in a previous question here. I'd like to ask an additional question that is related but different from my original post: Is it ...
  • 2,507
4 votes
1 answer
95 views

Mental characteristics of a sapient swarm intelligence

My story involves a sapient swarm intelligence, which I've detailed in a previous question here. I'd like to ask an additional couple questions that are related but different from my original post: ...
  • 2,507
6 votes
3 answers
195 views

Interacting with a sapient swarm intelligence

I'd like to use a story with a sapient swarm intelligence because I find the idea interesting, but I'm having trouble developing some of the finer details of how this intelligence would interact with ...
  • 2,507
5 votes
3 answers
287 views

How to kill people with blaster weapons

Recently, the R&D team found an exiting, yet unfortunately nonlethal weapon; Blaster technology. Blaster technology fires a projectile that moves at the speed of light, strikes the target, and ...
1 vote
2 answers
102 views

How long would it take before a global research effort could replicate alien technology? [closed]

It's the distant future of 2000 and for several years a group of renegade aliens have been hiding out on Earth, which is treated by the more advanced races of the galaxy as a nature perserve. However ...
1 vote
4 answers
281 views

How could Creatures have Interstellar Travel?

I'm looking for a way realistic creatures could travel between stars in a time span of a year or less. Is this even possible? I want this to be as realistic as possible but this is a Sci-fi setting so ...
3 votes
4 answers
404 views

Diversity of speculative evolution flight mechanics? Attempting to design a megafaunal, aerial diving predator

So, I'm trying to get a concept drawn up for this aerial predator, taking a lot of inspiration from Barlowe's Expedition and its Skewers. I would like to give it a unique mechanism for in-flight ...
  • 71
20 votes
12 answers
5k views

How to kill an alien with a decentralized organ system?

I had a cool but not so original idea: aliens with many many redundant organs, and a nervous system spread across their bodies. This creates some issues. How do I kill one? What the Alien is like: The ...
  • 2,071
3 votes
3 answers
709 views

How would my creatures detect presence?

In my world, there is no light. The only light will be from the equipment the protagonist brings through. The creatures are alien/eldritch/Lovecraft'ian, and has no eyes, so they cannot see when ...
  • 133
2 votes
2 answers
133 views

What kinds of diet/intake changes would be possible for a race with extensive DNA modification abilities?

I'm building some alien cultures for my fictional universe. One race has advanced technology and culture enough to have accepted, regularly occurring, DNA modification available (EDIT: regularly ...
17 votes
10 answers
3k views

How could a subterranean alien lifeform develop space travel?

I have a sentient lifeform populating an Earth-like planet in terms of gravity / composition. But since that world is close to an old K Type star, the atmosphere is evaporating and letting UV rays ...
  • 301
1 vote
1 answer
142 views

Which professions/backgrounds can make better slaves for an improved alien society in case of a selective termination? [closed]

Let's say that an advanced alien society somehow annexed or conquered earth for its natural resources. Then they discovered that these "human"s consume so much resources and they need to be ...
  • 23
1 vote
1 answer
148 views

On a planet with a large amount of water vapor (steam) would senses evolve

So imagine a planet with large amounts of subsurface liquid water. Geysers appear in big groups, and pools of warm water are common. So the planet is now covered in water vapor (steam) in the forms of ...
  • 129
0 votes
1 answer
74 views

How would a jungle dwelling humanoid canine pack oriented society be like? [closed]

If a race of pack-oriented caninoids (humanoid canines) evolved in a jungle setting, how would their society develop? You can use real world examples in your answers. By pack oriented, the pack could ...
  • 837
3 votes
9 answers
363 views

How would an alien civilization transmit an SOS signal for other sentient beings to pick up on?

This question describes the kinds of signals sentient beings would transmit to let others know of their existence. The methods described are geared towards communicating the mere existence of ...
  • 742
4 votes
7 answers
625 views

Can an all-female species thrive to become divergent, despite their generic heritage from their mother?

In one of my stories, there's an alien species that are all female and are able to conceive through pathogenesis but I know this generically creates and an otherwise natural-born clone of the mother ...
  • 1,713
2 votes
1 answer
98 views

How would Aliens care for "endangered" humans? [closed]

Sci-fi novel. Book is told from the POV of a alien that works at the sanctuary. I don't think this is too important, but the aliens are sort of an anthro-snail that lives on the underground and ...
  • 21
2 votes
2 answers
64 views

How to explain rapid environmental and biological adaptation in a genetically engineered hybrid species [closed]

I'm writing a story about a genetically engineered human/alien hybrid race that was created by an advanced alien species. They were able to do this because earth and hundreds of other planets in the ...
1 vote
0 answers
91 views

What are some personality traits that don't exist in humans, but may exist with extraterrestrials? [closed]

For example, humans can be anxious, headstrong, loving, maniacal. These are traits we can empathize and understand as we are also human. But there must be some sort of limit to what these emotions are ...
1 vote
1 answer
171 views

Physiological changes necessary to scale an insect's size up while maintaining a catapult jumping mechanism and jump/body ratio?

I understand that one does not simply scale up the smallest of creatures to the size of megafauna without violating basic physiological constraints like the square/cube law, among others; so what ...
  • 677
-5 votes
5 answers
286 views

How can an alien civilization be so powerful that it can with almost 100% certainty destroy any other civilization without getting a scratch? [closed]

Context: There is civilization of God Seekers. They try to prove the existence of (a) God(s) by finding a god-chosen civilization that would be able to survive the genocidal attacks of the God Seekers....
  • 1,679
10 votes
7 answers
3k views

How would we comunicate with Aliens if we meet them face-to-face? [duplicate]

Let's say that in the near future we come across an alien civilization not much technologically evolved from ours and we decided to send some people to communicate with them. How could we possibly ...
1 vote
1 answer
76 views

How would aliens that hate inefficiency deal with human fleet? [closed]

Year 2136. Humanity has left the Earth onboard the Exodus mothership. While they prepare to colonize other worlds, their actions have not gone unnoticed. A race of high-tech robotic aliens naming ...
27 votes
21 answers
11k views

How to prevent humanity from using alien spaceships and technology exclusively?

A long time ago, far far away, in the distant future of this galaxy, (don't think about that too hard) aliens created links between star systems enabling interstellar travel to occur within a day. Now ...
1 vote
2 answers
160 views

Would a flying, human sized species from a planet smaller than Earth be stronger, as strong or weaker than humans?

I'm working on a sci fi story where one of the species has batlike wings and comes from a moon around the size of Titan with roughly the same atmospheric pressure as Earth. Initially, I thought they'd ...
1 vote
1 answer
157 views

How would gravity and centrifugal force interact in Dyson constructs?

I am developing an alien race whose homeworld is a Dyson sphere planetoid (they used collected planetary and asteroid matter to construct a "hollow planet" around their sun, along with "night" solar ...
  • 902
5 votes
3 answers
471 views

Plausible Xenomorph-like Life Cycle

I have a species that I wish to create whose life cycle is similar to a Xenomorph from the Alien series. By this, I mean to create a species wherein: A Xenomorph, or Species A, the base creature, by ...
1 vote
3 answers
159 views

If aliens would be like us, how can we survive [closed]

We Humans are the most intelligent species of this planet, we have total control over all other species of this planet, we can use them however we want like (Food,clothes,experiments). We are the most ...
9 votes
4 answers
2k views

How do sapient birds/theropods build their seats?

Thinking about the shape gets pretty weird. So my species has a more or less horizontal posture, pretty much a small sentient raptor. They can assume an 'upright' position, but only in the sense of a ...
8 votes
1 answer
398 views

Mathematics of monsters

Researching for a science fiction novel. My character loves math + I have dyscalculia = Problem. Therefore, I need your help. In my story, there are aliens we can see, but we can't hear or touch. ...
-1 votes
1 answer
181 views

Could life be living in Europa? [closed]

The ice is so thick that no probe sent from Earth can detect life under the ice. Radio would not work well under the ice so we could not communicate with Europians if they are advanced. What would ...
  • 1
1 vote
4 answers
166 views

Plausibility of Self-Replicating Alien Drones Part 2

In my story, humanity comes under attack by extraterrestrial forces determined to sieze Earth's resources (water particularly). In my research it seems to be more plausible that aliens would attempt ...
  • 1,331
0 votes
3 answers
213 views

Plausibility of Self-Replicating Alien Drones?

In my story, humanity comes under attack by extraterrestrial forces determined to sieze Earth's resources. In my research it seems to be more plausible that aliens would attempt to exterminate humans ...
  • 1,331
-1 votes
2 answers
112 views

How to discover hiding modified humans and their missions? [closed]

Consider an earthlike world where the following happened: An UFO "crashed" somewhere on Earth some yrs ago. It sunk into a swamp and was never found (since the swamp was huge and the UFO was small). ...
  • 690
9 votes
4 answers
438 views

How would a life form conform their anatomy to fit whatever they wear?

In the sci-fi setting that I've had on the backburner for a while now, there is a species known as the Azmarans. They are a very socially adept species, between them having a rather communicative ...
4 votes
4 answers
613 views

What would the biochemistry of a vacuum dwelling creature look like?

I'm playing around with a story idea that includes vacuum dwelling intelligent life, but I'm not sure I understand the constraints of biochemistry I need to deal with. There's lots of potential ...
3 votes
3 answers
1k views

If humans descended from raptors rather than apes [closed]

In my scifi novel, all intelligent life eventually reaches what we might consider a humanoid form. Likewise, life on other worlds generally follows a semi-parallel evolutionary path, meaning that life ...
0 votes
6 answers
679 views

If aliens exist, do you think that they ever discovered/created their own Math?

Let's say that the aliens exist, do you think that they are smart enough to create their own Mathematics? Or even their own Sciences?
25 votes
10 answers
6k views

How much time does Earth need to repel interstellar attack?

Highly inspired by How would we fare against an interstellar RKKV Attack? Lets repeat the setup of the original question: In this hypothetical scenario, in the present day, astronomers detect an ...
16 votes
5 answers
3k views

How would we fare against an interstellar RKKV Attack? [closed]

In this hypothetical scenario, in the present day, astronomers detect an object entering the heliosphere, at a distance of roughly 90AU, from the direction of the Proxima Centauri system. Observations ...
  • 1,426
61 votes
14 answers
11k views

Galactic Law Enforcement - Handcuff Alternatives

So I'm building a galaxy with bunch of space-age civilizations and an galactic wide supra-nation. Something similar to the Citadel races in the Mass Effect games. Unlike those games, the most of the ...
  • 707