Researchers

• Crop Circle Research and Scientific Investigations   - Specialises in research and scientific investigation. It also hosts The International Crop Circle Database which is the World's only fully interactive, searchable database of crop formations. Maintained by Paul Vigay.

• 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 sites.
• 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.
• Busty Taylor crop circle page. - Crop circle research and photography.
• 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.
• The Crop Circular - The regularly updated crop circles site of researcher/lecturer Freddy Silva, offering factual research dedicated to the appreciation and understanding of crop circles, the most dynamic form of multi-dimensional communication to appear in our history.
• 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.
• Frank Laumen - Home of the German crop circle researcher and photographer.
• Janet Ossebbard and Bert Janssen - Articles about crop circle geometry and information about their videos.
• Judith Moore's Crop Circles Revealed - Judith Moore has been researching crop circles for many years and has co-authored "Crop Circles Revealed." She channels information about the crop circles.
• Lucy Pringle - Excellent pictures taken since 1996 by Lucy Pringle, articles, you can order cards, prints, books, calendars and other related merchandises.
• 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, centuries-old Circle Graffiti in Winchester Cathedral, articles.
• Star Nation Gallery - Researcher Rod Bearcloud Berry's site contains articles and a crop circle gallery.