I can't think that leaving Earth once is enough.

While we may lose track of certain goals intermittently throughout the decades, I think we as a nation can be nimble when we need to be. All the buzz today is on the need for science literacy. That is on the agenda in ways it hasn't been in previous decades.

Civilization just takes it as a given that the whole world was flooding. Then science came and you had geology and modern astrophysics, and time became well understood going back billions of years. So enlightened religious people, as a necessity, had to shed the magical elements of the Bible. A little known fact is that Thomas Jefferson did just that. There's something called the Jefferson Bible. It's not widely publicized because it sort of conflicts with certain people's ideas of what the founding fathers were.

I didn't even know there were stars to look at to not see. If you don't know that they're there, you don't know that you're missing them.

WhenIWasYourAge: It took a week to learn whether your photos came out okay.

One of the most significant events in our distant past is still perhaps the greatest mystery: the origins of life itself.

It’s short-sighted to think ads won’t one day end up wherever humans are - even the moon.