Reviewing the fundamental instrumental techniques and current observational results, this book unveils the mysteries of the physical processes in the central pa

An insider's view of how the massive black hole was discovered at the Galactic Center.

A collection of essays on the cosmos, written by an American Museum of Natural History astrophysicist, includes "Holy Wars," "Ends of the World," and "Hollywood

Lee Smolin offers a new theory of the universe that is at once elegant, comprehensive, and radically different from anything proposed before. Smolin posits that

Offering a sweeping tour of fantastic physics and cosmic history, a view of the most fearsome places in the universe that finally asks what it will take to see