International Astrobiology Sites

NASA Astrobiology Institute
Astrobiology at NASA
UK Astrobiology
The Astrobiology Web
The Astrobiology Index
Astrobiology Central
International Society for the Study of the Origin of Life (ISSOL)

Astrobiology Related Space Missions

Cassini Huygens - Mission to Saturn and Titan.
Europa Orbiter - Searching for an ocean under the ice of Jupiter's moon Europa.
Mars Exploration - NASA's plans for exploring Mars.
Beagle 2 - British Mars lander.
Rosetta - ESA mission to land on a comet.
COROT - Detecting planets by their transits across stars.
Kepler - Detecting planets by transit (NASA)
Eddington - Detecting planets by transit (ESA).
SIM -  Space Interferometry Mission
Terrestrial Planet Finder (TPF) - NASA mission to search for earth-like planets and life.
Darwin/IRSI - ESA's version of TPF.

Extrasolar Planets

Extrasolar Planets Encyclopaedia (France)
Extrasolar Planets Encyclopaedia (US mirror)
Extrasolar Planet Search  (UC Berkeley)
Geneva Extrasolar Planet Search
Anglo-Australian Planet Search

The Origin of Life

Interview with Stanley Miller
The Beginnings of Life on Earth (Christian de Duve)
The Origin of Life on Earth (Leslie Orgel)
Let There be Life (New Scientist)

Molecular Phylogeny and the "Tree of Life"

Interview with Carl Woese
Tree of Life Project
Looking for LUCA (Patrick Forterre)

"Snowball Earth" Events

Snowball Earth (Paul Hoffman and Daniel Schrag - Scientific American)
The First Ice Age (Scientific American)
Snowball Earth (New Scientist)

Extremophiles

Life at High Temperatures (Thomas D. Brock)
Extremophiles (Michael Madigan and Barry Marrs - Scientific American)

Extraterrestrial Life

Debate between Carl Sagan and Ernst Mayr
The Search for Extraterrestrial Life (Carl Sagan - Scientific American)
Searching for Life in our Solar System (Bruce Jakosky - Scientific American)
Where are They? (Ian Crawford - Scientific American)