Bert Janssen
Articles, films and photos from Netherlands based researcher Bert Janssen. His thoughts and articles on crop circles. His encounters with light anomalies and his work on ancient si…
BLT Research
The BLT Research Team Inc.'s primary goal is the discovery and scientific documentation of physical changes induced in plants, soils and other materials at crop circle sites.
Circles Phenomenon Research International
Founded by Colin Andrews. An international crop circle research organization with offices in UK, USA, Canada, Australia and Japan.
Circular Site
Dutch researcher Janet Ossebaard's site about crop circles, balls of light and anomalies.
CropCircleAnswers.com
Home of researchers Ed and Kris Sherwood. Includes extensive crop circle 'luminosity' research and photographic evidence of anomalous 'balls of light'.
Earth Files - Real X-Files
Linda Moulton Howe's site has many excellent articles on crop circles.
Peter Sorensen
Peter R. Sorensen is a researcher who has videotaped more crop circles than anyone else in the last eight years; pages also include portraits of many crop circle researchers, cent…
Star Nation Gallery
Researcher Rod Bearcloud Berry's site contains articles and a crop circle gallery.