Max Tegmark leads us on an astonishing journey through past, present and future, and through the physics, astronomy and mathematics that are the foundation of h

An astrophysicist presents an in-depth yet accessible tour of the universe for lay readers, while conveying the excitement of astronomy.How is a galaxy billions

The Definitive Resource for Viewing the Night Sky David Dickinson, Earth science teacher and backyard astronomer, and Fraser Cain, publisher of Universe Today,

This is a provocative account of the astounding new answers to the most basic philosophical question: Where did the universe come from and how will it end?

Introduces the superstring theory that attempts to unite general relativity and quantum mechanics.