Invitation to ETI
Forty scientists issue an invitation to extraterrestrial intelligence (ETI) to make contact with humankind.

The Age of Curiosity
A proposed update to the Drake Equation that describes why the sky isn't saturated with radio signals; suggests alien civilizations may not be curious enough to contact others.

The Extraterrestrial Sermons
Masters thesis on how the reception of extraterrestrial transmissions might affect world religions.

The Society for Planetary SETI Research
Organization interested in planetary anomalies that may be the result of intelligent activity. With roster and bibliography.

Seti@home: The Star Maps
69 full scale star maps for visual use with the seti@home screen saver.

The SERENDIP Project
Information and news on the Search for Extraterrestrial Radio Emissions from Nearby Developed Intelligent Populations.

SetiQuest
The magazine of SETI and Bioastronomy. Provides both professional and amateur astronomers with information concerning SETI (Search for Extraterrestrial Intelligence) and bioastronomy.

SETI League
An international grass-roots organization dedicated to privatizing the search for extraterrestrial intelligence.

SETI
A brief overview of the search for extraterrestrial intelligence and Frank Drake in particular. Definitions of the Drake Equation's components and a Drake Equation calculator.

Alien Frequencies
Discoveries by NASA scientists indicate possibility of exotic life forms in the universe.

More SETI Sites