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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.

3
votes
2answers
40 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
votes
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 ...
-1
votes
0answers
29 views

Would aliens have similar entertainment as we do? [duplicate]

What would alien entertainment be like? This is something that has been bugging me for some time now. The reason it troubles me so much is the different nature or phycology aliens might have. For ...
9
votes
5answers
676 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
131 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
votes
3answers
641 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
146 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
629 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
282 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
352 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
155 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
90 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
42 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
109 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
104 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
90 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
208 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
137 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
116 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
149 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 ...
-2
votes
1answer
123 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 ...
-1
votes
2answers
89 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
97 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
370 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
163 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
189 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
265 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
116 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
233 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
231 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
2k 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
238 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
116 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?
-3
votes
2answers
161 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 ...
0
votes
1answer
73 views

What would aliens use as raw materials? [closed]

I just realized that on earth many natural resources used for building throughout history could be considered unique to earth, materials such as bone and wood are products of terrestrial evolution and ...
-2
votes
2answers
96 views

What if an advanced alien civilization wanted to save the Earth's ecosystem and help humanity advance as a species? [closed]

Let's say that one day an advanced alien civilization comes to Earth and for reasons unknown, they want to save the Earth's ecosystem and biosphere and help humans develop into the next stage of ...
-1
votes
3answers
115 views

Extraterrestrial blackmail by reversible sun block [duplicate]

In a near future scenario where humanity has a slightly more developed/active space flight. Think colonising the moon with regular space flights back and forth. But no fancy interstellar tech. ...
4
votes
4answers
244 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 ...
-5
votes
2answers
162 views

Would a post-human alien civilization have entertainment? [closed]

I think the title speaks for itself. I'm curtently designing an alien civilization that is billions of years more advanced than us. Now this species has left behind its primitive insticts of greed and ...
0
votes
6answers
279 views

Can an alien civilization develop without money? [duplicate]

I'm designing an alien civilization and I was thinking: Could a civilization exist without money or any other sort of economy but instead do everything to help each other? Now, I know most of you will ...
1
vote
1answer
88 views

Is there a way in which we can travel to other local groups?

Suppose that a super advanced alien civilization comes to Earth. We don't know why they came and they don't really provide much information. Their species comes to Earth only for a few hours and then ...
1
vote
5answers
165 views

Boneless Humanoid - Is it possible?

In my story there is a humanoid alien race, that looks almost exactly like humans, but as you might have guessed, are boneless. Just to be clear, I'm not interested in reasons why they would evolve ...
0
votes
1answer
100 views

Could a planet's ecosystem function to serve the balance of all, rather than survival of each one?

I'm currently designing an alien world that has a rich biosphere. Now, one thing about the lifeforms of this planet is that they have a completely different genetic code than us. Apart from being ...
0
votes
2answers
143 views

Could a humanoid species, very similar to humans, evolve arthropod eyes? If so, how would that affect them?

Specifically, arthropod eyes that are neatly in their respective sockets, much like the human eyes. Could that work?
-2
votes
1answer
147 views

What would be the lifestyle of a type omega alien civilization? [closed]

I'm designing a planet that has reached the top level of civilization. This species has left behind the need for violence, they have found a way to live in peace with their planet's ecosystem and ...
-4
votes
6answers
238 views

Could an alien species become a space faring civilization if it didn't have a sense of greed? [closed]

I think the title speaks for itself. The species I'm designing doesn't have a sense of greed like us (greed isn't part of their nature). In fact, they deny the existence of something like greed, ...