When man, Apollo man, rockets into space, it isn't in order to find his brother, I'm quite sure of that. It's to confirm that he hasn't any brothers.

The Mars Polar Lander has been quieter than George W. Bush after a foreign policy question.

According to modern astronomers, space is finite. This is a very comforting thought - particularly for people who can never remember where they have left things.

Astronauts: rotarians in outer space.

What was most significant about the lunar voyage was not that men set foot on the moon but that they set eye on the earth.

It suddenly struck me that that tiny pea, pretty and blue, was the earth. I put up my thumb and shut one eye, and my thumb blotted out the planet earth. I didn't feel like a giant. I felt very, very small.

I don't know what you could say about a day in which you have seen four beautiful sunsets.

For those who have seen the earth from space, and for the hundreds and perhaps thousands more who will, the experience most certainly changes your perspective. The things that we share in our world are far more valuable than those which divide us.