I'm sure that there are places in the deserts in Australia that could be similar to where we might want to go on Mars.

Instead of planning the retirement of the Space Shuttle program, America should be preparing the shuttles for their next step in space: evolving, not shutting them down and laying off thousands of people.

Kids, help your parents if they don't know how to use a smartphone.

Going back to the moon is not visionary in restoring space leadership for America. Like its Apollo predecessor, it will prove to be a dead end littered with broken spacecraft, broken dreams and broken policies.

The final frontier may be human relationships, one person to another.

My family has always supported my activities, whether it was doing combat in Korea, flying progressively and challenging fighter-jet aircraft in Europe, or studying for a doctor's degree at MIT. They have been always very supportive and understanding of the challenges and risks involved in my career. A family needs to work as a team, supporting each other's individual aims and aspirations.

Neil Armstrong was the first man to walk on the moon. I am the first man to piss his pants on the moon.