A Witch by Starlight NASA - October 31, 2007
Halloween and the Ghost Head Nebula NASA - October 31, 2007
SH2 136: A Spooky Nebula NASA - October 31, 2006
Martian Halloween NASA - October 31, 2005
Pumpkin Moon NASA - October 30, 2004
The Real (and Frightening) Ghosts of the World
Live Science - October 31, 2008
Top 5 Halloween Myths Debunked
Live Science - October 31, 2008
Devil's Night: The History of Pre-Halloween Pranks
Live Science - October 30, 2008
Top Ten Science Halloween Costumes
Discover - October 30, 2008
Top 10 Scariest Movies Ever
Live Science - October 29, 2008
Frankenstein's castle offers Halloween chills
CNN - October 28, 2008
Vintage Halloween Photos
Wired - October 28, 2008
5 Spooky space pictures: a Halloween gallery
New Scientist - October 28, 2008
Halloween Facts: Costumes, History, Urban Legends, More
National Geographic - October 28, 2008
New York City
NYC: Halloween Parade 2008 Village Voice
Some spooky sites in and around the city
NY Daily News - October 26, 2008
Harry Houdini Died October 31, 1926
collected from www.crystalinks.com