In a world racked by violence and conflict, James Redfield and Michael Murphy—leading cocreators of today's spiritual boom—present a message of hope and a v

NEW YORK TIMES BESTSELLER • A captivating exploration of deep time and humanity's search for purpose, from the world-renowned physicist and best-selling autho

The ninth edition of this successful textbook describes the full range of the astronomical universe and how astronomers think about the cosmos.

Regarding his discoveries, Sir Isaac Newton famously said, "If I have seen further it is by standing upon the shoulders of giants." The Evolving Universe and th

Sir Isaac Newton famously said, regarding his discoveries, "If I have seen further it is by standing upon the shoulders of giants." The Evolving Universe and th