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Astrobiology Magazine - Information and discussion groups devoted to Extrasolar life; Extreme life; Life and Giant Planets; Mars Life; Meteors, Comets, and Asteroids; Missions; New Planets; Stellar Evolution; Terrestrial Climate History; Terrestrial Origins. [National Aeronautics and Space Administration (NASA), Ames Research Center (ARC)]

Astronomy -- Selected Internet Resources - Selected Internet Resources -- Astronomy. Science Reference Services; Science Reference Section; Library of Congress [U.S. Library of Congress (LOC)]


NTRS (NASA Technical Reports Server) - Search for reports, journal articles, and conference proceedings [National Aeronautics and Space Administration (NASA)]

Near-Earth Object Program - Brings together relevant information on all aspects of comet and asteroid studies [National Aeronautics and Space Administration (NASA), Jet Propulsion Laboratory (JPL)]