WARNING: The Expanse fan communities very likely include spoilers. If you are not caught up to the current episode or novel, you should be VERY careful regarding what pages you visit.
- /r/TheExpanse - The Expanse sub-Reddit
- Expanse The Unofficial Podcast Community - A Google+ community about the podcast.
- ##TheExpanse - an unofficial IRC channel. This will be a great place to discuss the episodes as they are airing.
NOTE: These communities are not affiliated with this wiki.