This site contains astrobiology news and links about: astrochemistry, bioinformatics, biosatellites, gravitational biology, hydrothermal vent communities, genomics, astropaleobiology, radiation physiology, the search for exterrestrial intelligence (SETI), extremophiles, exopaleontology, cell biology, evolution, planetary protection, and space medicine. There are also links to NASA TV and video feeds, astrobiology press releases, and an introduction to what an astrobiologist is.