A brief collection of links, regularly (ha!) updated…
The Croppie – Up-to-date crop circle related news
Crop Circle Connector – All the latest reports
Temporary Temples – Reports and pictures courtesy of Steve & Karen Alexander
Miles Challett – Some on-point comments about the world of crop circles
Crop Circle Nirvana – News and Views
Crop Circle Geometry – The geometry of crop circles, with some great diagrams and tutorials.