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Rigorous Science

Posts tagged aliens

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Q&A Why do flying saucers have to spin while flying?

Set during the Cold War period, the then-president rented five (5) flying saucers from the extraterrestrial aliens and a few training exercises were conducted in the air space above Roswell. My fat...

3 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by HDE 226868‭

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Q&A If an ET has caramel blood, what it implies?

I want to write a SF story where humans discover that a species of ET has caramel instead of blood and I need some biological information in order to develop it in a realistic way. For my story, i...

1 answer  ·  posted 4y ago by raiden‭  ·  last activity 4y ago by raiden‭

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Q&A Could aliens from beyond the singularity of a rotating black hole survive and colonise regions of a normal universe?

Would it be possible for aliens that originated and evolved in a planetary system beyond the ring singularity of a rotating black hole to send individuals out into a normal universe to colonise it?...

2 answers  ·  posted 4y ago by Ichthys King‭  ·  last activity 4y ago by Ichthys King‭

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Q&A With dunkle-like Jaws, how long could the neck be?

The Apex predator of the Sea of Grass biome from planet Andromeda is mostly bipedal, but capable of facultative quadrupedalism, it has long limbs, powerful claws on its hands and is roughly the siz...

3 answers  ·  posted 4y ago by ProjectApex‭  ·  last activity 4y ago by ProjectApex‭

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Q&A Evolutionary adaptations in sensory organs among wildlife in sandstorm?

What possible evolutionary adaptations could you foresee in the sensory organs of wildlife in an environment beset by a nigh-permanent sandstorm? e.g. in the case of vision, ways to protect the ey...

1 answer  ·  posted 4y ago by Delirium‭  ·  last activity 4y ago by Delirium‭

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Q&A Treating Postpartum Depression when Reproductive Mortality is ~100%?

Postpartum depression among humans is a thing that is "normal" insofar as it happens a lot, but it is not "normal" in the sense of "a thing that we don't worry about"; it doesn't happen to absolute...

2 answers  ·  posted 4y ago by Logan R. Kearsley‭  ·  last activity 4y ago by Logan R. Kearsley‭

Question psychology aliens
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Q&A Humanoid Bioweapon: what can stay and what has to go?

I'm working on a bioweapon created by an extraterrestrial agent. The being is 2.5 m tall, humanoid, digitigrade, intelligent and mostly predatory. However, it does not require water, food or oxygen...

4 answers  ·  posted 4y ago by ProjectApex‭  ·  last activity 4y ago by ProjectApex‭

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Q&A Language that cannot be divided into words?

For the purposes of this post, "word" is defined as a unit of language such that Has some meaning on its own, often relating to the real world. Complex utterances can be formed simply by transmit...

20 answers  ·  posted 4y ago by lirtosiast‭  ·  last activity 4y ago by lirtosiast‭

Question aliens language
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Q&A Could a species be able to be impregnated by anything?

Is there a way for a species to essentially become a living incubator of sorts? Not the other way around, as in Plausible ways for the alien species to be able to impregnate every and any species?,...

3 answers  ·  posted 4y ago by FelisMiscellaneous‭  ·  last activity 4y ago by FelisMiscellaneous‭

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Q&A What is the most effective location for spinnerets in a vertebrate?

In the large pillar forests of planet x, a group of vertebrates, in order to hunt down the fast climbing creatures that inhabit their habitat, rather than developing speed as well, went on another ...

2 answers  ·  posted 4y ago by ProjectApex‭  ·  last activity 4y ago by ProjectApex‭

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Q&A 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 w...

1 answer  ·  posted 4y ago by Delirium‭  ·  last activity 4y ago by Delirium‭

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Q&A How can sapient beings engineer transportation and building when they can only count 0, 1 and many?

Imagine a species of humanoid beings living on an Earth-like planet somewhere in the universe; they have developed complex spoken and written languages and they can study their own anatomy and the ...

6 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A Archipelago worlds build up atmospheric oxygen faster?

I've read super-earths might become archipelago planets. Picture shallow seas, under a thick atmosphere that alternates between muggy and clammy. Because a bigger share of the surface would be cont...

1 answer  ·  posted 4y ago by aadv‭  ·  last activity 4y ago by aadv‭

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Q&A Biochemistry (mostly) Questions for Science Fiction

I'm Wyvera, a young female writer. I've been working on a science fiction project for more than a year now. This project, which I will eventually turn into a novel series, is supposed to remain as ...

4 answers  ·  posted 6y ago by Averian‭  ·  last activity 4y ago by Averian‭

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Q&A Could life generate twice on a planet using slightly different materials?

Extremely low possibility, but if life synthesizes from scratch after life has existed on a planet for a few million years, would the two separate lineages be able to co-exist?

2 answers  ·  posted 4y ago by Double_S‭  ·  last activity 4y ago by Double_S‭

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Q&A Psychological effects of non head-based killing techniques

Wait ... what? Basically, this: Most land predators on Earth use their mouths to kill their prey. That is, they have to stick their precious, irreplaceable heads into harm's way every time they ...

13 answers  ·  posted 6y ago by akaioi‭  ·  last activity 4y ago by akaioi‭

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Q&A Aquatic aliens and the effects of acceleration in space-flight

A sentient species of water-dwelling aliens achieve space-flight. Their living quarters contain water [no free gases]. They have evolved over millions of years to regulate their buoyancy at will...

7 answers  ·  posted 5y ago by chasly from UK‭  ·  last activity 4y ago by chasly from UK‭

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Q&A Malicious Infection Transmitted Across Outer Space

If an extraterrestrial race were to send a signal to earth containing a virus (technological or psychological), how could that signal then infect our technology and then be received by humans?

4 answers  ·  posted 4y ago by user72495‭  ·  last activity 4y ago by user72495‭

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Q&A Anatomy of a walking octopoid

I have some alien creatures which are essentially land-going octopoids somewhat larger than humans. Tentacles not being a good form of propulsion on land, they have rudimentary 'legs' with one bone...

3 answers  ·  posted 5y ago by David Hambling‭  ·  last activity 4y ago by David Hambling‭

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Q&A What motivates this species?

In my story, there is a planet that experiences near constant sunlight. Since sunlight so plentiful and reliable most organisms are, at least in part, photosynthetic. The only intelligent life on ...

7 answers  ·  posted 4y ago by Aetherfox‭  ·  last activity 4y ago by Aetherfox‭

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Q&A Swallowing solids without a tongue?

As a thought project, I wanted to make an alien species that eats without any use of the tongue, but I've run into the problem that it's almost impossible to swallow solids without choking without ...

5 answers  ·  posted 4y ago by Tardigreat‭  ·  last activity 4y ago by Tardigreat‭

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Q&A The feasibility of Grey Aliens?

I want to write a science-based story which includes grey aliens. To clarify, grey aliens are seen to be either shorter or taller than the average humans, and sport a bulbous like head. their hea...

5 answers  ·  posted 4y ago by Pierre ‭  ·  last activity 4y ago by Pierre ‭

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Q&A What tech would aliens use to harvest/alter our star and why?

I'm trying to create a scenario where the local star is "quickly" (suddenly up to thousands of years) removed, dimmed with reduced output, destroyed (maybe), or otherwise fundamentally changed as t...

7 answers  ·  posted 4y ago by Zolvaring‭  ·  last activity 4y ago by Zolvaring‭

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Q&A Why would a civilization want to contact with a hypothetical extraterrestrial civilization?

Mankind has been always interested in making contact with another (extraterrestrial) civilization. We have launched the Pioneer 10 and 11 probes with plaques explaining where the Earth is located. ...

3 answers  ·  posted 9y ago by Garoal‭  ·  last activity 4y ago by Garoal‭

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Q&A Would intelligent life evolve any other body plan than humanoid?

Disclaimer: This question uses some liberal wording to get key ideas across. It's not meant to be academically rigorous, so please try to focus on the ideas and not the exact definitions of the ter...

26 answers  ·  posted 8y ago by thanby‭  ·  last activity 4y ago by thanby‭

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Q&A Are "plants" and "animals" inevitable on an alien planet?

Is it simply inevitable that on a planet organisms would split into motile and non-motile groups. I'm planning on creating slime-like amoebic chemotrophs for my light devoid-planet that are the "pl...

5 answers  ·  posted 4y ago by Double_S‭  ·  last activity 4y ago by Double_S‭

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Q&A How to tell if the entire Earth is just a copy?

Imagine a visiting alien accidentally spilled a bucket of inverse matter (a substance I made up just now) on the planet Earth and this stuff will annihilate with ordinary matter to produce neutrino...

4 answers  ·  posted 4y ago by user6760‭  ·  last activity 4y ago by user6760‭

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Q&A From how far away can it be deduced that there is sentient life on earth?

The Aargh are a humanoid alien race a couple solar systems away. Their home planet is quite earth-like (oxygen atmosphere, a lot of water, traditional organic chemistry even if a few proteins are d...

8 answers  ·  posted 4y ago by subrunner‭  ·  last activity 4y ago by subrunner‭

Question aliens
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Q&A Could an advanced alien race prevent the death of the universe?

We all know that the universe is going to die one day: all the stars will die, all the black holes will evaporate and life will be gone. But hypothetically speaking, if a super advanced alien race ...

22 answers  ·  posted 5y ago by John Michailidis‭  ·  last activity 4y ago by John Michailidis‭

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Rigorous Science What are possible energy carriers besides ATP?

I'm thinking about designing an alien race. The race is carbon-based and evolved on a world with an average surface temperature between 40 and 60 degrees Celsius. Now, on Earth, almost all lifeform...

1 answer  ·  posted 4y ago by user73910‭  ·  last activity 4y ago by user73910‭

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Q&A Could a humanoid alien species evolve to have a natural melanin deficiency but still have colourful skin/skin markings?

Summary at bottom. I have a character from a homemade alien species. The species has silver/white hair and blue/violet eyes. I know these are traits of a melanin deficiency, but I imagined her hav...

2 answers  ·  posted 4y ago by delaney‭  ·  last activity 4y ago by delaney‭

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Q&A Why would Earth be long-term unsuitable for an advanced alien species that's already colonized it?

I'm writing a story where aliens are using humanity like a botnet to do hyper complex calculations - each infested human has a program running in their subconscious brain that does a small part of ...

25 answers  ·  posted 4y ago by crass_sandwich‭  ·  last activity 4y ago by crass_sandwich‭

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Q&A Organism that consumes minerals and synthesizes it into their bodies

This is a follow up question to my previous question: Rock/Mineral Ore Eating Organism So these things: https://en.wikipedia.org/wiki/Lithoredo They eat limestone. So I thought, what is limestone...

2 answers  ·  posted 4y ago by ViolaVerse‭  ·  last activity 4y ago by ViolaVerse‭

Question biology aliens
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Q&A How to transform a cells energy source into explosives

I'm basically searching for an ATP that can be used to supply cells and also have its energy extracted efficiently into a basic form of explosive material (the stronger the better) without a lot of...

4 answers  ·  posted 4y ago by justthisonequestion‭  ·  last activity 4y ago by justthisonequestion‭

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Q&A How would a cephalopod-like race breathe outside of water?

Real-life octopi can travel outside of water for awhile, but not permanently. My race is amphibious, living underwater primarily, but also coming up onto the surface if their environment becomes to...

4 answers  ·  posted 4y ago by Niobium_Sage‭  ·  last activity 4y ago by Niobium_Sage‭

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Q&A Rock/Mineral Ore Eating Organism

How would an alien organism survive on a diet of rocks and mineral ores, and what kind of materials would be the most sufficient? Also, what kind of teeth and evolutionary traits would they possess...

2 answers  ·  posted 4y ago by ViolaVerse‭  ·  last activity 4y ago by ViolaVerse‭

Question biology aliens food
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Q&A Group-minded alien species create alien human hybrids- why?

The aliens in question aren't of a hive mind in the strictest sense (instead of many drones answering to a leadership caste each organism acts as one cell, all of them are essentially 'the same ran...

6 answers  ·  posted 8y ago by king of panes‭  ·  last activity 4y ago by king of panes‭

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Q&A What Kind of Pigment Would Allow Basic Photosynthesis and Give the Skin a Blue Color

Let's say there is a planet orbiting a star. The planet is much like our own, with a similar atmosphere. However, the star this planet orbits differ from out star. It differs in such a way that it ...

1 answer  ·  posted 4y ago by MintySoftboi‭  ·  last activity 4y ago by MintySoftboi‭

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Q&A Adult-sized alien child and child-sized alien adult

I was reading this question, and it made me wonder if something like this is possible or not. So, the question is, Is it possible to have an alien species in whom, the newborns are bigger than adu...

2 answers  ·  posted 4y ago by V.Aggarwal‭  ·  last activity 4y ago by V.Aggarwal‭

Question evolution aliens
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Q&A 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?

6 answers  ·  posted 5y ago by Sergio Marquez‭  ·  last activity 4y ago by Sergio Marquez‭

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Q&A Locating rogue planet in deep space based on astronomical observations from its surface?

Assume that you have a Rogue Planet hurtling through deep space. Somehow, an alien civilization from, say, 1,000 ly away acquires astronomical data from this planet. This data is in the form of h...

6 answers  ·  posted 4y ago by ak7‭  ·  last activity 4y ago by ak7‭

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Q&A 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 the...

2 answers  ·  posted 4y ago by Wayward Astronaut‭  ·  last activity 4y ago by Wayward Astronaut‭

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Q&A Would it be easier to colonise a living world or a dead world?

This question about eating on a alien world got me thinking.... Would it be easier for humans to colonise a world with existing life, or one which was biologically dead? For the living world, let...

8 answers  ·  posted 4y ago by DrMcCleod‭  ·  last activity 4y ago by DrMcCleod‭

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Q&A Living without a heart

Rules: No magic Eat, drink, and breathe air (mammal/reptile(amphibian ok)) Intelligent life form (no jellyfish or single-celled organisms) No artificial hearts (unless really ingenious, no swappi...

7 answers  ·  posted 8y ago by depperm‭  ·  last activity 4y ago by depperm‭

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Q&A Is this a plausible way for an alien organism to unwittingly cause a mass apocalypse on Earth?

It's around the mid-2300s. Earth is, to put it simply, in trouble. Climate change has resulted in flooding of major coastal cities, displacing billions, which ultimately led to widespread conflict ...

2 answers  ·  posted 4y ago by Faz‭  ·  last activity 4y ago by Faz‭

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Q&A 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" sola...

1 answer  ·  posted 4y ago by HA Harvey‭  ·  last activity 4y ago by HA Harvey‭

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Q&A What could make an insect race intelligent?

TL;DR: I want a society which behaves as a hive. Is it plausible and how to achieve this? The setup: Different planet in our universe. In other words: Normal, physical rules apply, there is no mag...

7 answers  ·  posted 9y ago by Pavel Janicek‭  ·  last activity 4y ago by Pavel Janicek‭

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Q&A How would a quadruped walk with one limb longer than the rest?

I have a (digitigrade) quadrupedal alien creature with one of it's front limbs having a longer metatarsals, I'm trying to visualise how it would walk with this deformity for an animation. I'm havi...

4 answers  ·  posted 4y ago by Corvid‭  ·  last activity 4y ago by Corvid‭

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Q&A 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,...

3 answers  ·  posted 4y ago by Maverick Alpha‭  ·  last activity 4y ago by Maverick Alpha‭

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Q&A Could a living tube kite creature evolve/ exist?

On Deviantart I found a sketch of this creature: It's called a "flying tube beetle" or more often a "flying lampshade". Think of it like a living tube kite that makes its own tether and catches w...

1 answer  ·  posted 4y ago by Joe Smith‭  ·  last activity 4y ago by Joe Smith‭