18.5m Members

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

980.9k Members

Welcome to r/SpaceX, the premier SpaceX discussion community and the largest fan-run board on the American aerospace company SpaceX. We recommend using r/SpaceX with Old Reddit. This board is not an official outlet for SpaceX information.

823.4k Members

Anything related to aircraft, airplanes, aviation and flying. Helicopters & rotorcraft, airships, balloons, paragliders, winged suits and anything that sustains you in the air is acceptable to post here.

161.9k Members

This community is for discussion among pilots, students, instructors and aviation professionals.

136.6k Members

For all those who love to fly the virtual skies. Please note, accounts less than 4 days old cannot post or comment.

63.4k Members

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.

47.9k Members

A subreddit for helicopter industry professionals and enthusiasts

38.7k Members

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

35.7k Members

A community for rockets, big and small.

19.3k Members

Welcome to r/ATC, a subreddit dedicated to the art, science, and career of air traffic control. Please feel free to join our community and contribute! Please read the rules, though. Thank you!

17.8k Members

16.9k Members

Blue Origin is the technology company founded by Jeff Bezos of Amazon.com in 2000 with the intention of enabling cheap and safe human space flight.

16.4k Members

a subreddit all about space travel (NASA, SpaceX, etc.). To infinity and beyond!

15.8k Members

Pics, Articles, Videos, Games, and more!

11.9k Members

The unofficial X-Plane enthusiast sub.

11.7k Members

Where pilots of all free flight persuasions mingle: paragliding, hang gliding, speedriding/speedflying, and others!

10.3k Members

7.5k Members

We want to see your cockpits! This subreddit is for anyone interesting in building a home cockpit to enhance their sim-flying experience. It doesn't matter if you fly civil or heavies, helicopters or fighter jets, you are welcome here!

7.5k Members

A place for anyone interested in building and flying homebuilt experimental aircraft including ultralights, gliders - sailplanes, light sport aircraft , single engine & multi-engine fixed wing, seaplanes, jets, helicopters, gyrocopters, powered parachutes, balloons, blimps, all the things!

6.3k Members

Photos and video of engine test stands. Rocket motors primarily, but any motor sufficiently cool is welcome.

5.7k Members

A subreddit for Airbus fans, here you can share videos, pictures, news articles and anything Airbus!

5.6k Members

News, videos, pics or anything else about fixed wing gliding aka soaring.

4.6k Members

News, updates, pictures, videos, live steams and anything else to do with rocket launches (but mostly videos).

3.0k Members

2.1k Members

/r/avionics is a place to share and discuss the varying nature of avionics, be it analog, digital, efis, databusses, new products, troubleshooting, navigation, communication, nexgen, and even obsolete products.

1.4k Members

Submit Pictures of Aircraft for Others to Guess!

699 Members

Please post links to anything involving flying boats and float planes. Vintage, certified, and experimental are all welcome.

525 Members

electric aircraft

200 Members

A subreddit for discussion of making planes and assets for flight simulators such as X-Plane, FSX, DCS, industry sims, etc. Talk about modeling, texturing & liveries, animating, export, flight physics, cockpit design and anything else involved in building assets for sims.