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

Mars could very well be a staging location for the resources of the asteroid belt. We have to learn how to get a payback somewhere, but it's beyond M….

In my mind, public space travel will precede efforts toward exploration -- be it returning to the moon, going to Mars, visiting asteroids, or whateve….

We'll get to the details of what's around here, but it looks like a collection of just about every variety of shape - angularity, granularity, about ….

From the distance of the moon, Earth was four times the size of a full moon seen from Earth. It was a brilliant jewel in the black velvet sky..

Don't waste your time on beaming people up or down. Instead, consider gravity waves as advanced physics of the universe that could be used to travel ….

The pilgrims on the Mayflower landed at Plymouth Rock. To my knowledge, they didn't wait around for a return trip to Europe. You settle some place wi….

I understand that Detroit was a pretty rough place to grow up in the '70s and '80s..

The final frontier may be human relationships, one person to another..

Knowledge of the past and an optimistic view of the present give you great opportunities..

Exploration is wired into our brains. If we can see the horizon, we want to know what's beyond..

Neil Armstrong was the first man to walk on the moon. I am the first man to piss his pants on the moon..

If we can conquer space, we can conquer childhood hunger..

Some things just can't be described. And stepping onto the moon was one of them..

I think humans will reach Mars, and I would like to see it happen in my lifetime..

Pascal Lee is a true pioneer of Mars exploration..

The life expectancy of people going to Mars may be decreased by the higher level of radiation that they receive..

The moon I see now is the same moon I saw before. Except that before, when I looked at it, it was in anticipation of what it would be like when I got….

Six out of seven times we landed successfully [on the Moon]. I wanted to be a part of that and I was a part of that, so my personal feeling is of gre….

Standing on the Moon looking back at Earth - this lovely place you just came from - you see all the colours, and you know what they represent. Having….

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