http://www.mufon.com
2. UFO Chronicles Online
http://www.ufochronicles.com
3. Abductee
http://www.abductee.net
4. ufoseek
http://www.ufoseek.com
5. exoScience UFO
http://www.exosci.com
6. CAUS
http://www.caus.org
7. Mothership
http://www.ufomind.com
8. The Art Bell Website
http://www.artbell.com
9. UFO
http://www.co.uk
10. National UFO Reporting Center
http://www.ufocenter.com