The world, I think, has too many late-night talk shows.

Give a kid a book, and you change the world. In a way, even the universe.

Companies want to innovate. Companies that don't innovate wither on the vine. The connection between STEM fields (science, technology, engineering, and mathematics) and the financial stability of a nation is what needs to established.

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

Feeling a little small? Well, in the context of the cosmos, we are small.

The number of people in the world engaged in this search for catastrophic impactors totals one or two dozen. How long into the future are you willing to protect Homo sapiens on Earth? Before you answer that question, take a detour to Arizona's Meteor Crater during your next vacation.

We still don't know for sure what the trigger was, but since we've discovered meteorites with supernova dust, we do know that a violent explosion rocked our cosmic neighborhood at the time of our birth, and it's quite possible that without it, our stable, stately solar system would never exist at all.