Science Fiction Related Forums at Your Favorite Things:
Games - Computer Games, Card Games, Board Games, Role Playing, Video Game, Puzzles, Party Games and more.
Role Playing - Online, Live Action, Tabletop & more. Find play groups, publsihers, conventions and more for all differen genres. Come on in and join the RPG Discussion.
Constructing an SF Universe - Excellent article by professional, published science fiction author, S. Andrew Swann.
Planetary Fact Sheets - Includes physical data describing the planets, satellites, and comets of our solar system, courtesy of NASA's National Space Science Data Center. Potentially useful to designers of science fiction settings and the detail-minded.
