The field of planetary biology and chemical evolution draws together experts in astronomy, paleobiology, biochemistry, and space science who work together to un

Scientist Robert Hazen attempts to offer a scientific explanation of how life on Earth began nearly four billion years ago, describing the sequence of events th

This volume explores the historical and current theories about the origin of life, addressing in particular the three key puzzles of how and when life began on

How life originated from the inanimate mixture of organic and inorganic compounds on the priomordial earth remains one of the great unknowns in science. This or

Where did we come from? Are we alone? Where are we going? These are the questions that define the field of astrobiology. New discoveries about life on Earth, th