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The two most fascinating questions about extraterrestrial life are where it is found and what it is like. In particular, from our Earth-based vantage point, we are keen to know where the closest life to us is, and how similar it might be to life on our home planet. This book deals with both of these key issues. It considers possible homes for life, with a focus on Earth-like exoplanets. And it examines the possibility that life elsewhere might be similar to life here, due to the existence of parallel environments, which may result in Darwinian selection producing parallel trees of life between one planet and another. Understanding Life in the Universe provides an engaging and myth-busting overview for any reader interested in the existence and nature of extraterrestrial life, and the realistic possibility of discovering credible evidence for it in the near future.

Life on other planets. --- Extraterrestrial life --- Planets --- Fermi's paradox

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Astrobiology refers to the study of the origin, evolution, distribution, and future of life in the universe. This encompasses extraterrestrial life and life on Earth. Astrobiology is an interdisciplinary field that is gaining a rapidly growing interest among both the general public and the astronomical research community. This e-book explains the detection and evolution of exoplanets and discusses the question of habitability on such objects. Chapters in this text include cited references enabling the reader to acquire more information on specific aspects of astrobiology. It is also a suitable

Exobiology. --- Life on other planets. --- Astrobiology --- Biology --- Habitable planets --- Life --- Extraterrestrial life --- Planets --- Fermi's paradox --- Origin

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Astrobiology is the multi-disciplinary field devoted to the investigation of the origin; physical, chemical and environmental limitations; and the distribution in space and time of life on Earth and in the Cosmos. Astrobiology seeks an answer to one of the most fundamental of all questions: - Is Life Restricted to Planet Earth or is Life a Cosmic Imperative? Understanding the characteristics, properties, habits and diversity of living organisms on Earth is crucial to determine where and how to search for evidence of life elsewhere.

Exobiology --- Life on other planets --- Astrobiology --- Extraterrestrial Life --- Life, Extraterrestrial --- Exobiologie --- Vie extraterrestre --- Congresses. --- Congrès --- Extraterrestrial Environment --- Space Biology --- Biologies, Space --- Biology, Space --- Space Biologies --- Space Research

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Cosmology --- Extraterrestrial anthropology --- Life on other planets --- Extraterrestrial life --- Planets --- Fermi's paradox --- Anthropology --- Interplanetary voyages --- Space sciences --- Astronomy --- Deism --- Metaphysics --- Centers of origin --- Evolution --- Life history

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From Habitability to Life on Mars explores the current state of knowledge and questions on the past habitability of Mars and the role that rapid environmental changes may have played in the ability of prebiotic chemistry to transition to life. It investigates the role that such changes may have played in the preservation of biosignatures in the geological record and what this means for exploration strategies. Throughout the book, the authors show how the investigation of terrestrial analogs to early Martian habitats under various climates and environmental extremes provide critical clues to understand where, what and how to search for biosignatures on Mars. The authors present an introduction to the newest developments and state-of-the-art remote and in situ detection strategies and technologies that are being currently developed to support the upcoming ExoMars and Mars 2020 missions. They show how the current orbital and ground exploration is guiding the selection for future landing sites. Finally, the book concludes by discussing the critical question of the implications and ethics of finding life on Mars.--

Mars (Planet) --- Red Planet --- Life on other planets. --- Habitable planets. --- Extraterrestrial life --- Planets --- Fermi's paradox --- Earth-like planets --- Earthlike planets --- Extrasolar planets --- Exobiology