I think both the space shuttle program and the International Space Station program have not really lived up to their expectations.

America must dream again, and have the faith to achieve the dream.

I was lucky enough to have been born on this planet earth, in this admirable country of the United States of America.

For the future, primarily, we must educate people in science, engineering, technology and math.

I was motivated to improve the U.S. strategy of going back to the moon in 1985. That's a long time ago. Going back to the moon would be a great achievement for tourism adventure flights.

Russia perhaps is still entertaining the possibility that the moons of Mars might have access to ice or water.

To me, money is a commodity that a person must have to function, not a goal in itself.