The Psi Encyclopedia is a new collection of articles and case studies about psi research, the scientific investigation of psychic phenomena. It's a work in progress, being created by the Society for Psychical Research in London. Learn more >

Search, go to Contents A-Z, or browse categories below. 



Mediums and Psychics

Possession and Past Lives

Hauntings and Apparitions


Psi Healing

Out-of-Body and Near Death Experiences

Other Phenomena

General Psi Topics

Scientists and Researchers

Organizations and Publications