With ticket prices, do you ask yourself, why I'm paying $70 to see the arts? You say, "No, that's what the symphony is costing me."

Next time you're stunned by a large moon on the horizon, bend over and view it between your legs. The effect goes away entirely.

Any astrophysicist does not feel small looking up at the universe; we feel large.

Dinosaurs are extinct today because they lacked opposable thumbs and the brainpower to build a space program.

You will never find scientists leading armies into battle. You just won’t. Especially not astrophysicists -we see the biggest picture there is. We understand how small we are in the cosmos. We understand how fragile and temporary our existence is here on Earth. We understand there are bigger problems we need to solve as a species than what God you pray to.

Newton, Einstein, and every other great scientist in history...They all made mistakes. Of course they did. They're human! Science is a way to keep from fooling ourselves and each other.

Countless women are alive today because of ideas stimulated by a design flaw in the Hubble Space Telescope.