The American Institute of Aeronautics and Astronautics (AIAA) is a professional society for the field of aerospace engineering.

r/AerospaceEngineering is a forum for enthusiasts, hobbyists, and professionals to share knowledge, experience, and learn about aerospace topics. Read the rules before posting!

Share & discuss informative content on: * Astrophysics * Cosmology * Space Exploration * Planetary Science * Astrobiology

Welcome to r/CFD

A community for discussion related to Unidentified Flying Objects. Share your sightings, experiences, news, and investigations. We aim to elevate good research while maintaining healthy skepticism.

A place to discuss relevant topics in civil and military aviation, space exploration, and news relevant and interesting to those with a passion for all things flying.

The internet's preeminent hub for learning astrodynamics. We support a robust community of individuals devoted to mastering the motion of heavenly bodies as manifested through Newtonian mechanics.

Welcome to r/rocketry

This is the subreddit for everything related to Star Citizen - an up and coming epic space sim MMO being developed by Chris Roberts and Cloud Imperium Games.

You learn something new every day; what did you learn today? Submit interesting and specific facts about something that you just found out here.

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

This subreddit is temporarily private as part of a joint protest to Reddit's recent API changes, which breaks third-party apps and moderation tools, effectively forcing users to use the official Reddit app. If you're looking for Netrunner chat, check out the [Green Level Clearance Discord](https://discord.gg/glc) and the [Stimhack Slack](https://join.slack.com/t/stimhack/shared_invite/zt-1x06viyhe-Jkvvpe74b2uHNWP5ypzVxg)

A subreddit for articles, images, videos and discussion about spaceflight.

Welcome to r/SpaceXLounge, the sister subreddit to r/SpaceX, and a place for relaxed and laid-back discussion. We recommend Old Reddit with r/SpaceXLounge. This subreddit is not an official outlet for SpaceX information.