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 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 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 Philip Morrison, John Billingham, John Wolfe - NASA
In the late twentieth century, scientists converged upon the basic idea of scanning the sky and 'listening' for non-random patterns of electromagnetic emissions in order to detect another possible civilization somewhere else in the universe.