When NASA makes discoveries they are profound and they make headlines, everyone takes notice. It drives dialogue and, today, it would drive the blogosphere. It would drive the projects the kids do in school. So you wouldn't even need programs to try and stimulate curiosity. You wouldn't need programs to try to convince people that science literacy is good. Because they're going to want to participate on this epic adventure that we call space exploration.

85 percent of the gravity of the universe has a point of origin about which we know nothing.

I bet most of the crowd does not know that there are six moons in the solar system bigger than Pluto.

What I’m saying is, when different experiments give you the same result, it is no longer subject to your opinion. That’s the good thing about science: It’s true whether or not you believe in it. That’s why it works.

Scientific literacy is an intellectual vaccine against the claims of charlatans who would exploit ignorance.

It’s short-sighted to think ads won’t one day end up wherever humans are - even the moon.

Dark matter and dark energy are two things we measure in the universe that are making things happen, and we have no idea what the cause is.