r/sex is for civil discussions about all facets of sexuality and sexual relationships. It is a sex-positive community and a safe space for people of all genders and orientations. This is (mostly) a 'serious' community - posts and comments that sidetrack discussion will be removed and may result in a ban.
AskWomen: A subreddit dedicated to asking women questions about their thoughts, lives, and experiences; providing a place where all women can comfortably and candidly share their responses in a non-judgmental space. As part of our commitment to that mission, the AskWomen subreddit is curated to promote respectful and on-topic discussions, and not serve as a debate subreddit.
A subreddit for really great, insightful articles and discussion. Please follow reddiquette, and READ THE ARTICLE before voting or discussing. Downvotes should only be used if something doesn’t contribute to intelligent discussion, not just because you disagree. Please use the report button if you see something that doesn’t belong.
Science Fiction, or Speculative Fiction if you prefer. Fantasy too. Asimov, Bradbury, Clarke, Dick, Heinlein and other SF books. SF movies and TV shows. Fantasy stuff like Tolkien and Game of Thrones. Laser guns, space ships, and time travel. etc. Star Trek, Battlestar, Star Wars, etc.