Are We Alone? Reframing Scientific Inquiry into Unidentified Flying Objects and the Search for Extraterrestrial Life
To the point
Although there is no conclusive proof of extraterrestrial life, a growing collection of credible sightings, radar and video evidence, and declassified material—and the questions raised by Enrico Fermi and Carl Sagan about how we should evaluate such evidence—justify open, careful scientific investigation of unidentified aerial phenomena and their possible implications for humanity.
