The society of life on Mars, or the challenge of making Mars more livable, will have significant benefits on our attempts to modify and change in some ways the environment here on Earth.

A mind concerned about danger is a clouded mind. It's paralyzing.

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

To move forward, what's required is a unified space agenda based on exploration, science, development, commerce, and security.

I'm sure the most favorite airplane in my career would still be the Sabre F86 cleft wing , which allowed me to be credited with 2 Russian-built Mig-15 destroyed during the Korean War. Where I was in 1953.

As a student, I wrote English reports on science fiction.

I inherited depression from my mother's side of the family. Her father committed suicide. She committed suicide the year before I went to the moon.