This book is a "Big History" of the evidence regarding how we came to be. It briefly explores philosophical thought and how our past might affect our future. The text summarizes different perspectives, including the strengths and weaknesses of each. The genesis of our planet is explored, especially the circumstances that must exist for complex life to arise. This brief journey highlights the history of life, the emergence of simple lifeforms, and the evolution of complex creatures, including humans. The book concludes with a discussion of why other humanoids went extinct while our species achieved dominance. The author speculates on potentialities awaiting humankind and our planet. The first "Big History" written from the perspective of a biologist Summarizes multiple perspectives of history Documents the unique conditions for the emergence of life Speculates on the future Chapter 12 of this book is freely available as a downloadable Open Access PDF under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license available at http://www.taylorfrancis.com