Overview

Astrobiology is the emerging field of science that seeks to answer that question. The possibility of life elsewhere in the cosmos is one of the most profound subjects that human beings can ponder. In this book, astrophysicist Andrew May gives an expert overview of our current state of knowledge, looking at how life started on Earth, the tell-tale ""signatures"" it produces, and how such signatures might be detected elsewhere in the Solar System or on the many ""exoplanets"" now being discovered by the Kepler and TESS missions. Along the way, the book addresses key questions, including the riddle of Fermi's paradox (Where is everybody?), the crucial role of DNA and water (they're essential to life as we know it, but is the same true of alien life?), and the really big question: When we eventually find extraterrestrials, will they be friendly or hostile?

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Andrew May is a freelance writer and science consultant. He has written on subjects as diverse as the physical sciences, military technology, British history, and the paranormal. His recent books include pocket-sized biographies of Newton and Einstein, an eye-opening study of the relationship between pseudoscience and science fiction, and Destination Mars and Cosmic Impact in the Hot Science series. Ralph Lister is an experienced actor and voice artist who trained at LAMDA. He spent fifteen years in mainstage theatre in London, Madrid, Hong Kong, and Edinburgh before moving to America, where he focuses on film, television, and audiobook narration.

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