Below is a selection of some of the more notable secular blogs and blog hubs.
Atheist Ethicist
Atheist Revolution
Debunking Christianity
Freethought Blogs
The Friendly Atheist
Greta Christina’s Blog
The Orbit
Pharyngula
Patheos Atheist Channel
Skepchick
Skeptic Ink Network
A Larger List of Atheist Bloggers