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.

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.

Dutch researcher Janet Ossebaard's site about crop circles, balls of light and anomalies.

Home of researchers Ed and Kris Sherwood. Includes extensive crop circle 'luminosity' research and photographic evidence of anomalous 'balls of light'.

Real X-Files - Linda Moulton Howe's site has many excellent articles on crop circles.

Home of the German crop circle researcher and photographer.

Judith Moore has been researching crop circles for many years and has co-authored "Crop Circles Revealed." She channels information about the crop circles.

Researcher Rod Bearcloud Berry's site contains articles and a crop circle gallery.