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

Russia perhaps is still entertaining the possibility that the moons of Mars might have access to ice or water.

The way I see it, commercial interests should manage a lunar base while NASA gets on with the really important task of flying to Mars.

I think both the space shuttle program and the International Space Station program have not really lived up to their expectations.

My sister called me "Buzzard" when I was a baby - she couldn't say "Brother" so I've been Buzz my whole life.

I feel we need to remind the world about the Apollo missions and that we can still do impossible things.

The decision to go to the moon is now appreciated and associated with President Kennedy's speech, but somebody else had told him it was a good idea. It turned out to be a good commitment, but it was a unique situation.