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

Imagination alone is not enough, because the reality of nature is far more wondrous than anything we can imagine

If you look at the history of unexplained phenomena that was first explained by spiritual, mystical forces, the track record is not very good for the mystical, magical explanations to survive against more quote "mundane" physical explanations.

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

In just one year, the expenditure of of the U.S.'s military budget is equivalent to the entire 50-year running budget of NASA combined.

I'm optimistic. I see no longer people accepting fuzzy thinking in the world. The change is not that people aren't still saying under-informed things. The change is that if you're in power and you say something under-informed, there are people out there with a voice who will take you to task for having done so

I'm fascinated by the deaths of stars and the havoc they wreak on their environments.