I think eventually private enterprise will be able to send people into orbit, but I suspect initially it's going to have to be with NASA's help.

I do a lot of running and hiking, and I also collect stamps - space stamps and Olympics stamps.

It's too bad our society isn't further along.

It's well known that many girls have a tendency to dumb down when they're in middle school.

It's easy to sleep floating around - it's very comfortable. But you have to be careful that you don't float into somebody or something!

The space shuttle is a better and safer rocket than it was before the Challenger accident.

One thing I probably share with everyone else in the astronaut office is composure.