On Venus you could cook a 16-inch pepperoni pizza in seven seconds, just by holding it out to the air. (Yes, I did the math.)

I have thoughts every day that are themselves tweets.

Pretending to know everything closes the door to finding out what's really there.

And extracting one molecule's signature in spectral analysis from the rest of the signatures is hard work, sort of like picking out the sound of your toddler's voice in a roomful of screaming children during playtime. It's hard, but you can do it.

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.

All of the full moons for the entire year are special in that they have particular names.

If you're a scientist, and you have to have an answer, even in the absence of data, you're not going to be a good scientist.