The regular blog of the American Geophysical Union
Posting from Tomorrow's Professor by Rick Reis about preparing to go to a meeting.
A listing of regular conferences in the sciences.
An article by Keith O'Brien in The Scientist discussing conferences and trends in technology.
A history of the Gordon Research Conferences.
An article by James W. Aiken in The Scientist discussing the role of conferences in the scientific world.
Google - Research database allows searching of the scholarly literature.