Adventures in Storytelling: Science Fiction

Where the authors are:

Science Fiction and Fantasy Writers of America – http://www.sfwa.org

Where the reviewers are:

SF Site - http://www.sfsite.com/
Internet Review of Science Fiction (IROSF; requires registration) - http://www.irosf.com/
The Fix (British) - http://thefix-online.com/
LOCUS Magazine - http://www.locusmag.com/
Fantasy Book Critic - http://fantasybookcritic.blogspot.com/
Bookspot Central - http://www.bookspotcentral.com/

Where the bloggers are:

John Scalzi (science fiction author) - http://whatever.scalzi.com/
Cory Doctorow (science fiction author) - http://boingboing.net or http://craphound.com
Jay Lake (science fiction and fantasy author) - http://jaylake.livejournal.com/
Elizabeth Bear (science fiction and fantasy author) - http://matociquala.livejournal.com/
Jeff VanderMeer (science fiction and fantasy author; often has guest bloggers) - http://www.jeffvandermeer.com/
The Slush God/John Joseph Adams (science fiction and fantasy editor) - http://www.johnjosephadams.com/

Where the fans are:

World Science Fiction Convention, New site every year. Known as Worldcon for short - http://www.worldcon.org
World Fantasy Convention, new site every year  - http://www.worldfantasy.orghttp://www.worldfantasy.org
Readercon, Boston, MA - http://www.readercon.org
Armadillocon, Austin, TX - http://www.armadillocon.org
Norwescon, Seattle, WA - http://www.norwescon.org
Wiscon, Madison, WI; world’s largest feminist SF convention - http://www.wiscon.info
LOCUS Magazine online listing of conventions - http://www.locusmag.com/Conventions.html

Print resources:

Science Fiction of the 20th Century: An illustrated History by Frank M. Robinson
Science Fiction: The Illustrated Encyclopedia by John Clute
Tor.com – Science Fiction. Fantasy. The universe. And related subjects. - http://www.tor.com
LOCUS Magazine, the website has a great feature that shows recently released books; the print version features dozens of reviews every month - http://www.locusmag.com
The LOCUS Index to Science Fiction Awards - http://www.locusmag.com/SFAwards/index.html