The number of first-class concepts being submitted to NASA by the space science community for these smaller missions just keeps on climbing.

These guys have worked real hard to be here. To represent our community like this, being the last (Class 4A) team left in the city, we want to represent the whole city.

The black community now in many ways divided itself the way the larger white community divides itself, over class issues. And that race is no longer the bond that it once was. That's one of the prices you pay for progress.

This dramatic confirmation of standing water in Mars' history builds on a progression of discoveries about that most earthlike of alien planets. This result gives us impetus to expand our ambitious program of exploring Mars to learn whether microbes have ever lived there and, ultimately, whether we can.

There are a lot of people that are surprised that Hubble can even look at planets in our solar system, because they think of Hubble as looking back to the beginning of time or at things billions of times fainter than the eye can see. But indeed, about 15 percent of the time Hubble spends observing our own planets.

Everyone on Earth who has ever dreamed of being an explorer on an alien planet will want to go along for the ride.