There is a widespread assumption that the universe in general, and life in particular, is getting more complex with time. This book brings together a wide range of experts in science, philosophy, and theology and unveils their joint effort in exploring this idea. They confront essential problems behind the theory of complexity and the role of life within it: What is complexity? When does it increase, and why? Is the universe evolving towards states of ever greater complexity and diversity? If so, what is the source of this universal enrichment?