I haven't written my memoirs or let the television movie be made about my life.

Studying whether there's life on Mars or studying how the universe began, there's something magical about pushing back the frontiers of knowledge. That's something that is almost part of being human, and I'm certain that will continue.

I haven't written my memoirs or let the television movie be made about my life.

So most astronauts are astronauts for a couple of years before they are assigned to a flight.

The best advice I can give anybody is to try to understand who you are and what you want to do, and don't be afraid to go down that road and do whatever it takes and work as hard as you have to work to achieve that.

The food isn't too bad. It's very different from the food that the astronauts ate in the very early days of the space program.

You know, I go around the country a lot.