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Speculative biology is simultaneously a science and form of art in which one speculates on the possibilities of life and evolution. What could the world look like if dinosaurs had never gone extinct? What could alien lifeforms look like? What kinds of plants and animals might exist in the far future? These questions and more are tackled by speculative biologists, and the Speculative Evolution welcomes all relevant ideas, inquiries, and world-building projects alike. With a member base comprising users from across the world, our community is the largest and longest-running place of gathering for speculative biologists on the web.

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Competitions and Projects

Regular Forum Official Competitions
Participate in our speculative biology competitions within this forum. Our competitions will cover a variety of different subjects.
Moderated By: Forum Moderators
COM #75: Keep Cool Yesterday, 8:57 PM, By OctoSharkTasaurus
Topics: 136 Replies: 8,332
Regular Forum SE Community Projects
Occasionally, SE will host a speculative biology project that all members may participate in. Generally, a project will cover a large sum of time so they will not happen very often.
Moderated By: Forum Moderators
Burut Jun 17 2017, 08:46 PM, By Archipithecus
Topics: 498 Replies: 6,750
Subforums: A Bygone World, SE Community Project Archives
Regular Forum Sagan 4
One of, if not the oldest speculative biology communities on the internet Sagan 4 has made its new home here at SE. Sagan 4 is a community project run by the Sagan 4 team that explores the ongoing evolution of alien life on the hypothetical planet Sagan 4.
Moderated By: Sagan 4 Moderator
How to Upload to Sagan 4 Wiki Jun 20 2017, 01:31 PM, By Hydromancerx
Topics: 81 Replies: 583
Subforums: Organism Submission