What is Cognitive Science? Definition and explanation from the Stanford Encyclopedia of Philosophy.
Psycoloquy Psycoloquy is a refereed international, interdisciplinary electronic journal sponsored by the American Psychological Association (APA). Psycoloquy publishes target articles and peer commentary in all areas of psychology as well as cognitive science, neuroscience, behavioral biology, artificial intelligence, robotics/vision, linguistics and philosophy. 
Pacific Northwest National Lab A really good list of cog sci sites and demos - all alphabeticalised. The best resource site I have seen
Deep Magic at Go-to-Net. Links to cognitive science related articles plus a heap of java source code. Worth a look. Even if only to play with the little virtual pet applet.
MIT demos Loads of demos and information from MIT.
Cognitive Science Links  This is a good resource page and has a lot of articles/journals links.
ACM Crossroads ACM Crossroads is the student magazine of the Association for Computing Machinery, the premier professional organization for computer science. ACM Crossroads is published quarterly on the web and in print.
Celebrities in Cognitive Science
A comprehensive list of people and sites from the University of Colorado at Denver. 
The Machine that Changed the World Decent amount of info, articles and links.
COGS School of Cognitive and Computing Sciences at the University of Brighton.