Extraterrestrial: The First Sign of Intelligent Life Beyond Earth
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New York TimesBestseller|Wall Street JournalBestseller|Publishers WeeklyBestseller|Publishers Marketplace 2020 Buzz Book|Amazon Best Book of the Year| Longlisted for the 2022PEN/E.O. Wilson Literary Science Writing Award
“Provocative and thrilling ... Loeb asks us to think big and to expect the unexpected.”
-Alan Lightman, New York Times bestselling author of Einstein's Dreams and Searching for Stars on an Island in Maine
Harvard's top astronomer lays out his controversial theory that our sola...























