Top 15 Cosmology Forums in 2025

1. Cosmoquest Forum

Forum https://forum.cosmoquest.org/ + Follow
A forum for all the cosmology enthusiasts to discuss a wide range of topics including astrophotography, astronomy, space exploration, geology and much more.
Frequency 4 posts/week View Recent Threads

2. Space Forums » Cosmology

Forum https://forums.space.com/forums/cosmology.55/ + Follow
Space.com is part of Future plc, an international media group and leading digital publisher. This section of the forum holds discussions on cosmology topics like a black holes, quantum mechanics, thermodynamics, and much more.MORE Twitter Followers 1.4MInstagram Followers 149.8K Frequency 2 posts/week View Recent Threads

3. Physics Forums » Cosmology

Forum https://www.physicsforums.com/forums/cosmolog.. + Follow
Cosmology is the origin, evolution, structure and eventual fate of the universe. Join in the expert discussion on topics revolving around cosmology. Ask questions, share your views, and get opinion from fellow cosmology enthusiasts.MORE Facebook Followers 54.7KTwitter Followers 6.6K Frequency 1 post/week View Recent Threads

4. Science Forums » Astronomy and Cosmology

Forum https://www.scienceforums.net/forum/7-astrono.. + Follow
Science Forums is a discussion area for sciences, philosophy and other topics. This forum category is for topics related to observation of space and any related phenomena.
Facebook Followers 348 Frequency 1 post/week View Recent Threads

5. Reddit » Cosmology

Forum https://www.reddit.com/r/cosmology/ + Follow
Reddit is a network of communities where people can dive into their interests, hobbies and passions. A subreddit for questions, discussions, and articles about cosmology.
Facebook Followers 1.9MTwitter Followers 1.1M Frequency 3 posts/day View Recent Threads

6. The Science Forum » Astronomy & Cosmology

Forum https://thescienceforum.org/astronomy-cosmolo.. + Follow
An organization dedicated to science discussion and the promotion of science education. This section of the forum is for people to discuss the scientific study of celestial objects (such as stars, planets, comets, nebulae, star clusters and galaxies) and phenomena and the material constitution, formation, and development of the universe.MORE Frequency 4 posts/quarter View Recent Threads

7. Physics Discussion Forum » Cosmology

Forum https://physicsdiscussionforum.org/cosmology-.. + Follow
Have questions regarding cosmology? This is a forum category where all your questions regarding cosmology get answered by experts.
Frequency 1 post/day View Recent Threads

8. Sci Village » Astrophysics, Cosmology & Astronomy

Forum https://www.scivillage.com/forum-74.html + Follow
A forum category dedicated to the discussion that explores Space and the Universe
Twitter Followers 5 Frequency 1 post/week View Recent Threads

9. The Science Forum » Astronomy & Cosmology

Forum http://www.thescienceforum.com/astronomy-cosmology/ + Follow
A place to discuss the scientific study of matter in outer space and the astrophysical study of the history, structure, and constituent dynamics of the universe.
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10. Shabda Forums » Vedic Cosmology

Forum https://forums.shabda.co/forum/vedic-cosmology/ + Follow
A forum where questions about Vedic cosmology and the structure of the universe are discussed. It also discusses topics like contrasts to modern cosmology, the problems of dark energy and matter, cosmic distance latter, and the nature of light.MORE Facebook Followers 3.8KTwitter Followers 164 View Recent Threads

11. The Science Forum » Astronomy & Cosmology

Forum http://www.thescienceforum.com/astronomy-cosmology/ + Follow
This category is for discussions on exploring the scientific study of matter in outer space and the astrophysical study of the history, structure, and constituent dynamics of the universe.
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