Your center of mass is a place you cannot visit but you always carry with you. Like memories, it is part of life's baggage.

I don't want people to say, 'Something is true because Tyson says it is true.' That's not critical thinking.

There's nothing a teacher likes better than ten minute videos. It's not the whole class, but it's not too short, it's enough to wrap a lesson plan around.

People like death and mayhem.

I never got into 'Star Wars.' Maybe because they made no attempt to portray real physics. At all.

In America, there are people who don't read science fiction but still think about tomorrow, so it's not only the force of science-fiction that makes you a tomorrow thinker.

It is in the best interests of civilization and our economy and our nation to understand what objective truths are as revealed by the methods and tools of science.