Advances made by physicists in understanding matter, space, and time and by astronomers in understanding the universe as a whole have closely intertwined the qu

A rigorous and scientific analysis of the myriad possibilities of life beyond our planet. ÒAre we alone in the universe?Ó This tantalizing question has captiv

Go on an awe-inspiring journey, unraveling the secrets of our universe from the tiniest particles to the vastness of space In this thought-provoking exploration

A new window opens onto the cosmos... Almost every day we are challenged by new information from the outermost reaches of space. Using straightforward language,

Describes the current views on the nature of space, time, matter, and fundamental forces.