Are We Alone?
by Gregg Easterbrook
Publisher: The Atlantic Monthly 1988
Scanning the universe to see if we have company has fallen out of favor among many scientists, but the true believers who continue to search raise diverting questions -- like why planets form where they do, and how life began, and where we might end up.
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by G. Gonzalez, D. Brownlee, P. Ward - arXiv
The GHZ is that region in the Milky Way where an Earth-like planet can retain liquid water on its surface and provide a long-term habitat for animal-like aerobic life. In this paper we examine the dependence of the GHZ on Galactic chemical evolution.
by Douglas A. Vakoch - NASA
Addressing a field that has been dominated by astronomers, physicists, and computer scientists, the contributors to this collection raise questions about the ease of establishing meaningful communication with an extraterrestrial intelligence.
- The National Academies Press
The search for life is one of the most active fields in space science and involves a wide variety of disciplines. This book explores the possibility of habitable environments in the solar system and in exoplanets, and techniques for detecting life.
by Clement Vidal - arXiv
Where does it all come from? Where are we going? Are we alone in the universe? What is good and what is evil? The scientific narrative of cosmic evolution demands that we tackle such big questions with a cosmological perspective.