Foundations of Space Biology and Medicine is a collective scientific work which reviews the most important problems, achievements, and prospects for the development of space biology and medicine. Its purpose is to make available summarized and systematized data on the most important problems of space biology and medicine. The work was developed by a Joint Editorial Board established by the U.S. National Aeronautics and Space Administration and the Academy of Sciences of the U.S.S.R. Contents of Volume I: Introduction Physical Properties of Space and Their Biological Significance Theories of the Origin and Nature of the Universe Physical Characteristics of Interplanetary Space Planets and Satellites of the Solar System from Physical and Ecological Points of View The Moon and Its Nature Earth-Type Planets (Mercury, Venus, and Mars) Planets and Satellites of the Outer Solar System, Asteroids, and Comets Problems of Exobiology Biological Effects of Extreme Environmental Conditions Theoretical and Experimental Prerequisites of Exobiology Search for and Investigation of Extraterrestrial Forms of Life Planetary Quarantine: Principles, Methods, and Problems Authors' Addresses Index