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.

When we get there, if we don't find any life on Mars, from that point on there will be life on Mars because we'll bring it there, whether it's germs and leftover urine bags, whatever it is.

I participated with great honor in becoming one of the first to land on the moon, and now I am devoting and have devoted many years of my life to enabling Americans to lead international nations to permanence on the planet Mars.

Because of his military service, Dad was buried in Arlington National Cemetery.

I've been to the Titanic in a yellow submarine and the North Pole in a Russian nuclear ice breaker.

The much-hyped Ares 1-X was much ado about nothing.

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