Is there life beyond Earth? NASA astrobiologist Dr. Chris McKay has searched the earth's most extreme environments on his quest to understand what factors are n

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

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

Drawn from an original PBS documentary, this book strikingly juxtaposes Hubble Space Telescope photos with cover art from pulp science fiction books, and hand-d