Extraterrestrials (The MIT Press Essential Knowledge series)

The paradox, formulated by physicist Enrico Fermi, suggests that extraterrestrial activity should be evident, but it isn’t. Science writer Wade Roush examines this problem, providing historical and modern context, summarizing astronomical and astrobiological thinking, and discussing the long history of alien speculation, the emergence of SETI (the Search for Extraterrestrial Intelligence), and advancements in astrobiology and exoplanet research. He also discusses possible solutions and refocusing SETI efforts to increase the chances of resolving the paradox and finding extraterrestrials.

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