Aliens Quote by Neil deGrasse Tyson

I wonder if, in fact, we have been observed by aliens and upon close examination of human conduct and human behavior they have concluded…

— Neil deGrasse Tyson

We only have to look at ourselves to see how intelligent life might develop into something we wouldnt want to meet. I imagine they…

— Stephen Hawking

Only when science and technology are used with human concern in a world in which all of the earth's resources are held as the…

— Jacque Fresco

I hope that someday we will find evidence that there is intelligent life among humans on this planet.

— Sylvia Earle

My only hope is that every other alien civilization isn't doing exactly what we are doing because then everybody would be listening, nobody would…

— Neil deGrasse Tyson

I believe that there may be intelligent life on other planets.

— Pat Buckley

Perhaps we've never been visited by aliens because they have looked upon Earth and decided there's no sign of intelligent life.

— Neil deGrasse Tyson

Perhaps, as some wit remarked, the best proof that there is Intelligent Life in Outer Space is the fact it hasn't come here. Well,…

— Arthur C. Clarke

I don't see why there is no intelligent alien life in the universe.

— Neil deGrasse Tyson

The chances of human beings being the only intelligent form of life in the universe are so minuscule that it's really kind of crazy…

— Zoltan Istvan

Intelligent life can't be all that common because it's really rare on Earth and especially since we define ourselves to be intelligent. But in…

— Neil deGrasse Tyson

The universe is large and old, and the ingredients for life as we know it are everywhere, so there's no reason to think that…

— Neil deGrasse Tyson