Flying saucers Quote by Gordon Cooper

Among the hundreds of so-called "UFO reports" each year, a sizable fraction of those clearly observed by reputable witnesses remain unexplained-and difficult to explain…

— Richard Hall

I think some highly secret government UFO investigations are going on that we don't know about--and probably never will unless the Air Force discloses…

— Barry Goldwater

The U.S. Government hasn't maintained secrecy regarding UFOs. It's been leaking out all over the place. But the way it's been handled is by…

— Edgar Mitchell

The type of UFO reports that are most intriguing are close-range sightings of machinelike objects of unconventional nature and unconventional performance characteristics, seen at…

— James E. McDonald

Hundreds of thousands of UFO sightings have been made by persons in all walks of life, in all parts of the world. Tens of…

— Don Berliner

Of course it is possible that UFO's really do contain aliens as many people believe, and the government is hushing it up

— Stephen Hawking

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

I have taken special interest in these accounts [of UFOs].. I think there may be substance to some of these reports... I think we…

— Gerald R. Ford

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

I'm not at liberty to discuss the governments knowledge of extraterrestrial UFO's at this time. I am still personally being briefed on the subject!

— Richard M. Nixon

After a lifetime in this subject, I have concluded that the extraterrestrial hypothesis is one reasonable tentative approach to putting the best-documented and most…

— Jerome Clark

If every UFO report could be convincingly credited to some conventional astronomical or atmospheric phenomenon, there would be no UFO mystery. It is precisely…

— Don Berliner