People try to typecast astronauts as heroic and superhuman. We're only human beings.

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 place in Kansas called the Cosmosphere.

Another hundred years may pass before we understand the true significance of Apollo. Lunar exploration was not the equivalent of an American pyramid, some idle monument to technology, but more of a Rosetta stone, a key to unlocking dreams as yet undreamed.

OK, let's get this mother out of here.

I hold the world speed record downhill, in a Rover. I think it was 17 kilometers per hour, downhill.

Some astronauts describe the routine flushing of urine into space, where the freezing temperatures turn the droplets into a cloud of bright, drifting crystals, as being among the most amazing sights they saw on an entire voyage.

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