Report from the America Institue of Physics about the diatonic ratios found in crop circles.
A rolling news service for the crop circle phenomenon.
About a swirled circle apprently left by a UFO in Tully, Australia back in 1966. Circlemaker Doug Bower said this incident was the inspiration for the crop circles he created in England.
Small publisher of crop circles books by Andy Thomas, including the guidebook Vital Signs.
A couple of articles dealing with the analysis of samples taken from crop circles.
French crop circle site with extensive photo archive.
Lots of information about the crop circle phenomenon and related topics. All text is in Italian.
A feature-length documentary full of never-before-seen footage and interviews with leading Crop Circle researchers and scientists.
Special feature article on the Crop Circles phenomena
Resources and related information including an International crop circle database.