National Geographic News has compiled a listing of some of the greatest hoaxes in history.

A study about the alleged UFOs in Renaissance paintings. The "strange flying objects" someone find in ancient art are only sacred art symbols, not UFOs.

Bibliography of books about hoaxes.

Pictures and information provide facts to debunk wild internet rumors about this spider.

Bogdanovs affaire: Or, Has Physics been bitten by reverse Alan Sokal hoax? Discussion and correspondence.

Discusses a number of scientific and medical hoaxes, including Mary Toft and the Rabbit Babies (about which he authored a book). Includes links and images.

The story and photos of the nonexistent Cottingley fairies.

Offers six articles on hoaxes, including petrification hoaxes and the day they almost sawed off Manhattan.

Assorted collection of hoaxes, including sports hoaxes and art forgeries

The MIT Gallery of Hacks (Interesting Hacks To Fascinate People). Hoaxes and pranks perpetrated at the Massachusetts Institute of Technology.

Loren Coleman links certain dates, disasters and deaths from 1966 to the present time to the Mothman Curse. Also provides information on cryptozoology and discusses some unknown creatures encountered around the world.

Extensive collection of history's most famous hoaxes and April Fool's pranks. Listed by date and category. Includes bibliographic references.

Piltdown man was one of the most famous hoaxes in science. Covers the history of the hoax, its reception by the paleontological community, how the hoax was executed, its exposure, myths and misconceptions, and theories about the perpetrator.

Explores one of the most famous scientific hoaxes in history.

SCIgen is a program that generates random computer science research papers, including graphs, figures, and citations. It uses a hand-written context-free grammar to form all elements of the papers. Generated papers are meant for amusement.