Exploring and colonizing Mars can bring us new scientific understanding of climate change, of how planet-wide processes can make a warm and wet world into a barren landscape. By exploring and understanding Mars, we may gain key insights into the past and future of our own world.

Everyone should take their hats off to Neil Armstrong. He is a humble guy who doesn't wave his own flag.

There are always door openings. And gradually, it accumulates. The opportunities open up in front of you.

My own American Dream was to serve my country as best I could and make a difference in America - and in the world.

We'll get to the details of what's around here, but it looks like a collection of just about every variety of shape - angularity, granularity, about every variety of rock.... The colors - well.... There doesn't appear to be too much of a general color at all; however, it looks as though some of the rocks and boulders are going to have some interesting colors to them. Over.

A space program that truly goes somewhere! With his deeds, not only words, President Obama has revitalized our struggling space program.

Most people never believed in the real possibility of going to the moon, and neither did I until I was in my twenties.