IS THERE LIFE ON MARS? will help you start to answer 20 of the most perplexing and fascinating questions about the universe, such as: Why do the planets stay in orbit? Was Einstein right? What is Dark Matter? Are we made from Stardust? Is there cosmological evidence for God? Distilling the wisdom and research of scientists operating at the cutting edge of their field, Stuart Clark's book is a stimulating and challenging guide to the wonders of the universe.