After Apollo 17, America stopped looking towards the next horizon. The United States had become a space-faring nation, but threw it away. We have sac….

Curiosity is the essence of human existence..

Curiosity is the essence of human existence. 'Who are we? Where are we? Where do we come from? Where are we going?' I don't know. I don't have any an….

I'm quite disappointed that I'm still the last man on the moon..

To become an astronaut, someone has to have a dream of his own to do something that he or she has always wanted to do, then commit himself to making ….

Curiosity is the essence of human existence and exploration has been part of humankind for a long time. The exploration of space, like the exploratio….

We leave as we came, and, God willing, as we shall return, with peace and hope for all mankind..

I know the stars are my home. I learned about them, needed them for survival in terms of navigation. I know where I am when I look up at the sky. I k….

Once I finally stepped on the moon, no matter what was to come of the next three days - or the rest of my life - nobody could take those steps from m….

When you head on out to the Moon, in very short order, and you get a chance to look back at the Earth, that horizon slowly curves around in upon hims….

Nobody can take those footsteps I made on the surface of the moon away from me..

Here I am at the turn of the millennium and I'm still the last man to have walked on the moon, somewhat disappointing. It says more about what we hav….

Yes, I am the last man to have walked on the moon, and that's a very dubious and disappointing honor. It's been far too long..

Another hundred years may pass before we understand the true significance of Apollo. Lunar exploration was not the equivalent of an American pyramid,….

If the guidance failed or started to stray or went somewhere we didn't like or the ground didn't like, I could flip a switch, and I could control sev….

The mass gross absence of sound in space is more than just silence..

As I step off at the surface at Taurus-Littrow, I'd like to dedicate the first step of Apollo 17 to all those who made it possible..

As I take man's last step from the surface, back home for some time to come...I'd like to just (say) what I believe history will record. That America….

We will certainly see teachers, journalists, artists and poets in space. Whatever it takes to the be the best is what it will take to get you into sp….

I do believe there is life in outer space. Mathematically, there has to be, and if you believe as I do that there is a creator of the universe, then ….

Some of the most exciting space education in the country is not coming out of Washington or New York or California or even Texas. It's coming from a ….