Is it possible that extraterrestrial life exists within our Galaxy? Leading experts from a range of sciences examine this question. After ten billion years, and among hundreds of billions of stars, we may well possess the most advanced brains in the Milky Way Galaxy.

Since the dawn of history, humans have pondered whether or not other beings exist in our universe. This fascinating volume provides a critical analysis of the plausibility that other intelligent life forms do exist. Leading experts, including Freeman Dyson, Gerald Feinberg, and Robert Sheaffer, debate many interesting aspects of the issue. Illustrations.