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Life on Mars
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Cryptic Thinking Official Site
- Paranormal book on alien contact develops theories in astrobiology, archaeoastronomy, planetary astronomy, SETI astronomy, cosmology, and cryptology.
whatUseek Directory Site Listings:
Cosmic Ancestry: The Modern Version of Panspermia
- The Cosmic Ancestry hypothesis - about which this site has a large amount of information - treats all of evolution, not just the origin of life on Earth, as due to interaction with cosmic microorganisms.
Life Extraterrestrial: Life on Other Planets in the Solar System
- Curriculum framework for comparing Earth to other planets with regard to life.
Life in the Void
- A few short speculations on extrasolar life.
- Short scientific article by John R. Gribbin. "Spreading of life-bearing spores across the Galaxy (panspermia) may be easier than is usually acknowledged."
Strato's Space Center
- An overview of the possibilities of extraterrestrial life within the solar system.
The Drake Equation
- Describes the famous formula for estimating the number and character of alien civilizations within the galaxy. Includes an online form that calculates your numbers.
The Planetary Society
- A nonprofit organization devoted to the exploration of the solar system and the search for extraterrestrial life.
The Rise and Fall of Star Faring Civilizations in Our Own Galaxy
- Speculation, based on the Drake Equation, regarding the existence and composition of alien civilizations.
The Search for Extraterrestrial Life
- Scientific American article by Carl Sagan. Provides a layman's overview to the building blocks of life and current efforts in the search for extraterrestrial life.
We Are Not Alone
- Essay on the probability of extraterrestrial life.
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