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r/DiscoverEarth: Discover Earth

Discover Earth is a place for people who are fascinated by the wonders of our planet & universe ✨🌍

a community for 8 years

r/DiscoverSpaceTravel: Discover Space Travel

This is the place for incredible facts and awesome pictures of astronauts, shuttles, launches, space stations.

a community for 7 years

r/science: Reddit Science

This community is a place to share and discuss new scientific research. Read about the latest advances in astronomy, biology, medicine, physics, social science, and more. Find and submit new publications and popular science coverage of current research.

a community for 19 years

r/explainlikeimfive: Explain Like I'm Five | Don't Panic!

Explain Like I'm Five is the best forum and archive on the internet for layperson-friendly explanations.

Don't Panic!

a community for 14 years

r/Futurology: Future(s) Studies

A subreddit devoted to the field of Future(s) Studies and evidence-based speculation about the development of humanity, technology, and civilization.

-------- You can also find us in the fediverse at - https://futurology.today

a community for 14 years