I know of no time in human history where ignorance was better than knowledge.

I don't want to make a member of Congress do something that that member of Congress's constituents would not approve of, or would not agree to. So in that regard, I'm kind of the opposite of a lobbyist.

Science literacy is the artery through which the solutions of tomorrow's problems flow.

Why can't Pluto be a planet? Some people like Pluto. And if it doesn't exist then they don't have a favorite planet. Right? Please write back but not in cursive because I can't read cursive.

If you look at Einstein's equations and put in low speeds and low gravity, they become Newton's equations.

Also, where does your identity come from? Your memory, of course.

There's an old saying in the space community: 'If God wanted us to be a spacefaring species, he would have given us a moon'.