Astronomers around the world are pointing their telescopes toward the heavens, searching for signs of intelligent life. If they make contact with an advanced al

A moving tribute to the physical and spiritual properties of nature's richestelement by one of the world's leading soil conservationists.

The Instant New York Times Bestseller! Was an advanced civilization lost to history in the global cataclysm that ended the last Ice Age? Graham Hancock, the int

This book discusses the big questions about how the discovery of extraterrestrial life, whether intelligent or microbial, would impact society and humankind.

An engaging account of our quest for habitable environments, recounting fascinating recent discoveries and providing insight into future space missions.