Alien life Quote by Stephen Hawking

For all we know, the aliens have already done this and unwittingly concluded that there was no intelligent life on Earth. They would now…

— Neil deGrasse Tyson

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

— Anonymous

We only have to look at ourselves to see how intelligent life might develop into something we wouldn't want to meet.

— Stephen Hawking

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

— Neil deGrasse Tyson

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

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

— Pat Buckley

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

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

I think anybody would have to be with out common sense to think there weren't aliens. There are billions of planets, and I am…

— Sabrina Lloyd

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

There are 400 billion stars out there, just in our galaxy alone. If just one out of a million of those had planets, and…

— Jodie Foster