Science is basically an inoculation against charlatans.

You know, dark matter matters.

Enjoying science shouldn't be rocket science.

The universe for me was other planets and other star systems and other galaxies. I enjoyed tracking it, but it had no specific influence on my ambitions for that reason. It wasn't really far enough away from Earth to matter to me.

I have thoughts every day that are themselves tweets.

I want to put on the table, not why 85% of the members of the National Academy of Sciences reject God, I want to know why 15% of the National Academy don’t.

The solar system should be viewed as our backyard, not as some sequence of destinations that we do one at a time.