Extraterrestrial Life

• Exobiology
• Panspermia
• Paradox
• SETI

• Science: Astronomy and Space: Extrasolar Planets 
• Society: Paranormal: UFOs 

• Astrobiology Magazine  - Explores origins of life in our solar system and deep space, cosmic evolution, and extra-terrestrial life.
• NASA Astrobiology  - Explores life in the universe. Offers a habitable exoplanets catalog, and includes information on seminars, publications, events, and education.
• Rise and Fall of Star Faring Civilizations in Our Own Galaxy Introduction  - Shows article on how star faring started and ended. Also contains information on gamma ray bursters and other translations such as Italian, Spanish, Dutch, French and Portuguese.
• Science at NASA - The Shape of Extraterrestrial Life  - Consists of articles, photos, and links to related pages and publications.
• Smithsonian Institution Libraries  - Features article by Steven Dick on aliens and humans entitled "Extraterrestrial Life and our World View at the Turn of the Millennium". Contains photos and related links.