Considering the development of life on Earth, the existence of life in extreme environments and the potential for life elsewhere in the universe, this book gives a fascinating insight into our place in the universe. Chris leads the reader through the history, from the Copernican revolution to the emergence of the field of astrobiology—the study of life in the cosmos. He examines how life on Earth began, exploring its incredible variety and the extreme environments in which it can survive. Finally, Chris turns his attention to our solar system and the planets beyond, discussing whether there may be life elsewhere in the universe. Written in nontechnical language, this book is ideal for anyone wanting to know more about astrobiology and how it is changing our views of life and the universe.