Cover
Title Page
Copyright
Contents
List of Illustrations
Foreword by Mae Jemison
Acknowledgments
Introduction
1. The Search for Extraterrestrial Life—From Religion to Science
2. Intelligence
3. Where Are They?—We Are Alone
4. An Abundance of Worlds—An Abundance of Life
5. Exploring New Worlds—We Are Not Lonely
6. Visiting Exoplanets: Interstellar Flight, a Bridge Too Far
7. Using Nature’s Telescope
8. Real Interstellar Exploration
9. Comparative Astrobiology
Appendix A. Interstellar Messaging
Appendix B. Mayr Versus Sagan, a Debate on Extraterrestrial Intelligence
Appendix C. The Search for Our Terrestrial Intelligence
Notes
Index
About the Author