Life!

Extraterrestrial Life

• Astrobiology, NASA
• SETI Institute
• SETI at Planetary.org
• SETI League

Terraforming

• Martyn Fogg's Terraforming page
• Terraforming Mars: a review of research, Martyn J. Fogg

Extrasolar Planets

• ExoPlanets.org

Articles

• Maybe we are alone in the galaxy after all

Wim Bakker