Advanced civilization Quote by Story Musgrave

I think more and more scientists are becoming convinced that it's very likely that life forms of some kind exist all around the universe…

— Ron Howard

“Early SETI efforts were marked by overly optimistic estimates of the probable number of extraterrestrial civilizations in our galaxy. In light of new findings…

— Peter Schenkel

I believe that these extra-terrestrial vehicles and their crews are visiting this planet from other planets, which obviously are a little more technically advanced…

— Gordon Cooper

It could be that these other civilizations, if they are far more advanced intellectually than we are, would not even measure our existence as…

— Neil deGrasse Tyson

I certainly believe in aliens in space, and that they are indeed visiting our planet. They may not look like us, but I have…

— Barry Goldwater

When authoritative reports of radical-design craft having spectacular performance are viewed in the light of a stream of astrobiological discoveries, the possibility that some…

— Don Berliner

There is no doubt in my mind, after 37 years of study and investigation that the evidence is overwhelming that planet Earth is being…

— Stanton T. Friedman

For many centuries, humans have speculated that there might be planetary systems around other stars and that there could be extraterrestrial life there and…

— George Smoot

It must be a very dour and pessimistic astronomer indeed who seriously doubts that there must be countless numbers of intelligent civilizations scattered throughout…

— Robert K. G. Temple

Nobody has ever convinced me that ancient aliens have visited Earth. Not even close.

— Dan Brown

I'm sure the universe is full of intelligent life. It's just been too intelligent to come here.

— Arthur C. Clarke

The reality is that we know that this universe, that our galaxy, has billions of stars. We know that stars have planets. So the…

— Mae Jemison