Claiming there is no other life in the universe is like scooping up some water, looking at the cup and claiming there are no whales in the ocean.
Neil deGrasse TysonWould a NASA reality show "Lunar Shore" be more popular than "Jersey Shore?" Civilization's future depends on that answer.
Neil deGrasse TysonSociety needs to see science not as a luxury of funding but as a fundamental activity that drives enlightenment, economics, and security.
Neil deGrasse TysonSome molecules - ammonia, carbon dioxide, water - show up everywhere in the universe, whether life is present or not. But others pop up especially in the presence of life itself. Among the biomarkers in Earth's atmosphere are ozone-destroying chlorofluorocarbons from aerosol sprays, vapor from mineral solvents, escaped coolants from refrigerators and air conditioners, and smog from the burning of fossil fuels. No other way to read that list: sure signs of the absence of intelligence.
Neil deGrasse Tyson