Earth Quote by Don Berliner

Abstract: Careful review of a vast array of relevant evidence clearly leads to the conclusion that some unidentified flying objects are intelligently controlled vehicles…

— Stanton T. Friedman

We can make a similar examination, but with greater uncertainty, of the extraterrestrial hypothesis that holds that a wide range of UFOs viewed on…

— Carl Sagan

The proponents of UFOs offer up impressive quantities of principally eyewitness data, which although largely subjective and circumstantial in nature, is nevertheless quite intriguing....…

— Peter Davenport

We are dealing with a yet unrecognized level of consciousness, independent of man but closely linked to the earth.... I do not believe anymore…

— Jacques Vallee

The UFOs do not seem to exist as tangible, manufactured objects. They do not conform to the accepted natural laws of our environment. They…

— John A. Keel

I am completely convinced that UFOs have an out-of-world basis.

— Walter Riedel

UFO's are as real as the airplanes flying overhead.

— Paul Hellyer

Each year, thousands of UFOs are sighted and reported, which is an impressive tally of unidentified aerial phenomena. Surveys show that roughly one-third of…

— Seth Shostak

The idea of UFOs is becoming a very prevalent phenomenon in people's consciousness. People believe in them. What does this mean? It means that…

— Brad Steiger

Unknown objects are operating under intelligent control... It is imperative that we learn where UFOs come from and what their purpose is...

— Roscoe H. Hillenkoetter

I am discounting the reports of UFOs. Why would they appear only to cranks and weirdos?

— Stephen Hawking

As a full-time, and serious-minded, UFO investigator, I strongly side with the proponents. It seems indisputable that the phenomenon is real, and that it…

— Peter Davenport