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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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6answers
506 views

What benefits would translucent full body armour do for immortal beings? [closed]

Set in present day Egypt, a race of immortal humanoid beings were seen with a translucent body armour covering from head to toe. They come in peace and harbour no ill intents, that said their kind of ...
9
votes
2answers
123 views

What kind of governments would a species of empaths be inclined to develop?

I am in the early stages of developing an alien species and one of their defining traits is that they are empathic upon physical touch. They can only sense feelings/emotions/intent, not read minds, ...
5
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15answers
1k views

Highly technological aliens land nuclear fusion powered ships in medieval city and slaughter everyone, using swords? [closed]

I want to create a scenario where highly technological aliens invade a medieval earth, the kind with magic and dragons and such. But I don't want the aliens to be completely overpowered. I want them ...
10
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11answers
2k views

Alien invasion to probe us, why? [closed]

In popular culture on my Earth-like planet, alien-abduction stories, anal probing and conspiracy-theories are well-known but largely considered by mainstream culture to be delusions or fanciful ideas ...
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3answers
128 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 ...
-1
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1answer
66 views

How would a species with crustacean-like “mouths” sound when speaking? [closed]

What might their language sound like? Would they have any speech impediments to contend with speaking a Common language?
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1answer
172 views

Are two headed creatures possible? [closed]

I'm looking at making an alien race with two heads. The idea is that it has two brains as well, which instead of having two consciousnesses the brains are linked together as one. Is this possible? ...
9
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4answers
1k 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
1answer
296 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. ...
10
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4answers
1k views

Ways other than sleep to restore cells/neurons

So I have a planet with multiple species on it. My planet is tidally locked. I know it is generally thought a tidally locked planet couldn't harbor life because of the extreme temperatures, but my ...
29
votes
14answers
5k views

How can I launch a projectile to hit something in orbit, using only geological structures and power sources?

As an ancient organism whom currently occupies a large chunk of a planet beneath the surface, I have a pesky issue with an invasive species. These humans have decided to colonize my home, mistaking it ...
1
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0answers
46 views

What would plant life on 55 Cancri e be like? [closed]

55 Cancri e is an actual exoplanet which should be around twice the size of Earth so it would be high gravity. It also is thought to be a carbon planet, meaning the role silicate takes on our world ...
2
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2answers
174 views

What would annihilate life on a planet but allow it to be habitable 1-10 years later? [duplicate]

I'm writing a fantasy/sci-fi story. Imagine an alien race, about as advanced as any sci-fi alien race has ever been depicted in any REALISTIC medium. They're gonna target an earth-like planet. I need ...
7
votes
3answers
694 views

Life on a gas giant?

I know of the conceptualized "Sinkers", "Floaters" and "Hunters" that Carl Sagan and Edwin Salpeter of Cornell conceived of - as possible life forms that might inhabit a gas giant. At the time they ...
33
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25answers
9k views

What could prevent us from making alien technology if we had the schematics?

This question is inspired by Could medieval people produce automatic firearms if they had access to the schematics? I have simply moved it forwards in time as follows: In 2019 we receive an alien ...
9
votes
5answers
698 views

What are ways a horned alien race could wear space helmets?

I've already considered that they may file their horns down, but keeping in mind that their horns gradually regrow, it is an inconvenient solution. This is what their horns typically look like: ...
8
votes
2answers
156 views

Could a Nautilus Shell, Squid Gladius, or similar structure eventually form the basis of a Spinal column/Skeletal system?

Ok, so, some quick background... I'm not an evolutionary biologist or anything, but I'm helping a friend with some alien design ideas, and at least one of them she designed and wanted help to somehow ...
3
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3answers
663 views

What kind of food would be common on a tropical rainforest/ocean planet? [closed]

I have an alien planet with the entire world landmass arranged in two giant rings roughly 10 degrees north and south of the equator. Everything above sea level is beach or tropical rainforest. The ...
1
vote
3answers
161 views

Do aliens gamble? [closed]

I have read a number of sources that indicate that gambling behaviours in humans are the result of evolutionary adaptations. If gambling is the result of the specific evolutionary history of our ...
10
votes
5answers
679 views

Tiny humanoids?

There are many tiny humanoids in fiction, the Arquilians of Men in Black, the Gargantians of Buzz Lightyear Star Command and a few others. This raises the question, is it possible for a humanoid ...
7
votes
3answers
302 views

How plausible is a civilization, or life, that perceives time in reverse?

Humanity, with modern science, has established that the Big Bang happened 13.8 billion years ago. The universe appeared in a low-entropy state, and for billions of years has been expanding and moving ...
8
votes
2answers
373 views

Could an alien evolve to speak through its anus?

Humans can speak making precise movements of our tongues, teeth and vocal chords. I want a sentient creature whose carnivorous mouth-parts are completely unsuitable for speech to be able to ...
4
votes
3answers
172 views

How do one teach thermodynamics to Higher dimensional beings?

Suppose an entity from a higher dimensions who can experience time flowing both forward and backward wants to understand our world and how far humanity have advanced in tech and science, is it ...
-1
votes
1answer
100 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
vote
0answers
47 views

What would be the culture of an advanced socially mature species? [closed]

The species is eusocial and incapable of stimuli such as adrenaline. They are highly affectionate, highly extroverted, can feel nirvana out of anything, are suppose to be masters at every social ...
1
vote
1answer
122 views

How could monopods evolve? [closed]

In Wayne Barlowe's book Expedition he has some creatures who have become monopods, or only having one foot. They use it to hop through the dense air. Since the author never really got into the details ...
22
votes
11answers
6k views

How long would it take to nuke an alien spaceship in orbit?

Some gigantic, and presumably evil, alien spaceship has taken up residence in LEO. This spacecraft is ominously blocking all satellite communications, and launching smaller flying saucers towards the ...
19
votes
7answers
3k views

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. ...
0
votes
3answers
176 views

A proper latin name for an alien creature [closed]

I am designing an alien creature, an oxygen breather on an Earth-like planet. These creatures have a crest on their back that changes color according to the mood in which they are. That crest is a ...
14
votes
14answers
7k views

How would aliens test humans for empathy?

500,000 people have been kidnapped from all over the world by aliens. The aliens want to see if humans have empathy, and they can't understand our languages, as we speak they hear just random noises ...
2
votes
2answers
93 views

How could vertebrates evolve to only have two legs? [closed]

I know how humans and flightless birds evolved bipedalism, but could life on land and so on evolve with bipedalism form the start? Try to think of something more than just two finned fish equivalents.
5
votes
4answers
229 views

If an alien had evolved on a planet with 10 times Earth's gravity, how far into Earth's Ocean could they dive?

Let's assume that this hypothetical alien crawled out of the identical primordial ooze to the point where they share significant genetic similarity with humans, and due to either evolution or outside ...
1
vote
1answer
141 views

How humans could establish a colony on this planet? [closed]

Yesterday I created an exoplanet on Space Engine, and then started to imagine how life could be possible on that little rock. I started to think about bacterial cells / archaea, anaerobic organisms ...
10
votes
10answers
3k views

Aliens performing successful medical procedure on humans at first contact?

So, humans have finally figured out how to build a solar-system crossing ship. On the way to the first exo-planet to be colonized, an accident happens, and a few people wind up floating through space, ...
1
vote
4answers
126 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 ...
0
votes
3answers
158 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 ...
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votes
1answer
141 views

Reasoning on conditions required to argument long term high federal investments in space exploration [closed]

History has shown that the Space Race in the 20th century between US and Soviets has been high enough to motivate US to increase federal NASA budget to [about 4%] of the federal budget 2, compared to ...
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votes
2answers
96 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). ...
-1
votes
1answer
106 views

Time traveller tasked with finding traces of past alien visits to Earth [closed]

My time traveler is tasked with finding information on previous visits to Earth of a potentially hostile alien civ. What sort of traces might aliens leave that could identify them? I'm thinking some ...
5
votes
4answers
381 views

How do the aliens maintain their transformations, even after they die?

So, in my story there is a species of aliens, called the Ko’dor. The Ko’dor are a species of shape-shifters, who can change their forms at will. Naturally, they are four-eyed, green octopus like ...
3
votes
4answers
174 views

How can aliens from a different planet move faster when they're on Earth?

What should conditions on an alien planet be like, if the aliens of said planet move 3 or 4 times slower on their home planet than they could if they were to come to Earth? (Gravity, atmosphere, etc.) ...
5
votes
3answers
192 views

historical examples of alternative typeset representations

In a scenario where scientists decipher a Math book of an alien culture, the last thing to expect is equations presented the way we know them.The way we write mathematical equations, is mostly taken ...
4
votes
1answer
336 views

Would wide hips be a wiser evolutionary trait for digitigrade, biped humanoids?

I was asking a deviantART.com artist why they often draw their anthros and furries with wide hips regardless of gender, and they told me this (copypasting): "I'll see if I can't whip something up for ...
0
votes
1answer
117 views

Society of Sapient Elephants [closed]

So, having gotten some feedback to an earlier question I had regarding the societal structure of herd animals, I realised the preceding question was somewhat too broad, so I've decided to make things ...
1
vote
3answers
269 views

Which would a good way to defend from mind controlling aliens? [closed]

Earth is being invaded by an alien species which is pretty similar to humans, being basically the only difference that instead of using for war destruction by weapons, they have developed technology ...
-2
votes
4answers
246 views

Why would god-like aliens experience boredom? [closed]

On planet Methuselah, the oldest planet in existence, there exists a race of beings that seem to be, in most definitions of the word, gods. They can form objects out of pure energy, have strength ...
13
votes
12answers
3k views

Universal translation and nonsense lyrics

I've been drafting a science fiction story that places a lot of emphases on the vastness of culture. One way technique I've been using is language and the hassle of translation. Earth has abut 4,500 ...
9
votes
4answers
245 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 ...
1
vote
1answer
124 views

Can the cooperative eye hypothesis still exist in eyes with no sclerae?

I just want big cat eyes (i.e., lions, tigers, etc.) in a humanoid that can be just as expressive as a human's yet not having our very conspicuous eye-whites. Doable, yes or no?
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votes
2answers
177 views

On what conditions would an alien's civilization be completely peacefull? [closed]

I have been asking numerous questions about alien civilizations when it comes to lacking things like greed, money or violence. The reason I'm doing this is because I'm designing an alien species which ...