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 the eyes of an alien coming here who has the technology to make it here, they might observe us and conclude that there's no sign of intelligent life on Earth.
Neil deGrasse TysonIt could be that these other civilizations, if they are far more advanced intellectually than we are, would not even measure our existence as a blip on the intelligence radar. They could be so advanced that we are to them what worms are to us.
Neil deGrasse TysonI want to put on the table, not why 85% of the members of the National Academy of Sciences reject God, I want to know why 15% of the National Academy donโt.
Neil deGrasse TysonAmerica 2012: The Learning Channel has HoneyBooBoo, History Channel has PawnStars: and the Science Channel has PumpkinChunkin
Neil deGrasse Tyson