There may be aliens in our Milky Way galaxy, and there are billions of other galaxies. The probability is almost certain that there is life somewhere in space.

It was challenging to understand what was necessary to successfully carry out all the training simulations that we, as crewmen, would experience, and make a very successful use of that training and education.

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.

There are always door openings. And gradually, it accumulates. The opportunities open up in front of you.

No dream is too high for those with their eyes in the sky!

Mars is far more attractive as an outpost colony for earthlings than the moon is.

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