A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
For questions about the use and perception of science by the inhabitants of a fictional world. Contrast with [science-based] which is for explaining fictional things with real-world science. Whereas […
For questions about creatures whose appearance is similar to that of humans. The creatures in the question should be different from normal humans in at least one way but can still be seen as mainly hu…
For questions about a way to pass on biological information from one generation to the next.
For questions related to the sets of rules set in place by organizations to govern the behaviour of the people.
For questions in which reality is different than it is in real life. This may range from small, historical changes to absolute revisions of the laws of physics.
For questions about machines (esp. programmable machines) capable of carrying out complex tasks.
For questions about the process of turning a barren space (such as a planet, moon, or asteroid) into a habitable one.
For questions about artificially modifying the DNA of a life form.
For questions on population sizes, maximums and minimums, how they are affected by different events, etc.
For questions regarding a device that can be programmed to carry out a set of certain set of tasks without external intervention.
For use with questions that have to do with the process of buildings structures or habitats.
For questions involving the fundamental electromagnetic force. This includes electricity, magnetism, light, and other phenomena.
For questions dealing with the past events of a given world.
For questions regarding the generation or flow of electrical charge.
For questions involving the specifics of combat.
For questions related to a disorder (illness, disease and sickness) that affects the function or structure of an organism.
For questions about the act or process of transporting something or someone from one location to another, including by technological or non-technological means. For questions about the specific machin…
For questions dealing with the interactions between organisms and their environments.
For questions about bodies of salt water large enough to sustain their own internal currents and do not drain to any larger body of water. Covers both currents, navigation, and ecology.
For questions based in contemporary Earth, current technology and social norms.
For questions that involve outer protective coverings used for defense of either creatures or structures.
For questions asking about the conditions which are required for the development of life as we know it.
For questions about the mechanical processes that allow organisms to live, including respiration, consumption, excretion. Focus on shapes of body parts and connections between parts.
For questions about the standard passage of time on objects/people/civilisations etc. Also consider the [time-keeping], [spacetime-dimensions], [alternate-history], [universe], [time-travel], or [time…
For questions that have to do with the liquid form of H2O.
For questions about events occurring below the surface of a body of water.
For questions relating to radically changed Earth. This alternate Earth could be a post-apocalyptic Earth, or Earth with major changes in the current social/political/economical schemes.
For questions regarding the aesthetic elements of construction and design. It can apply to any historical period or complexity level, from earthen mounds to grand cathedrals.
For questions about the means and methods any species, organism or entity uses to propagate itself.
For questions about strategies and structures for defending from a particular type of attack
For questions focused on worlds where magic exists, but is rare, in a world otherwise abiding to natural laws.
For questions regarding the application of the laws of physics to orbital mechanics, stellar evolution, and other astronomical processes and celestial bodies.
For questions about treatment methods as well as substances used to heal wounds and cure diseases.
For questions about gods, the creation of gods, their characteristics, and the effects they have on worlds.
For questions that deal with weapons of mass destruction (WMD).
For questions about a region of space time where gravity is so strong that nothing, not even light, can escape it.