Most people never believed in the real possibility of going to the moon, and neither did I until I was in my twenties.

For a million dollars, the Russians would take two people, a million apiece, around the moon and back. However, stories, videos that come from the space station, and other people, are a great inspiration to young people for an exciting career field.

They didn’t tell me I was going into space until after they locked the shuttle doors and started counting down.

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 interstellar distances.

Most people never believed in the real possibility of going to the moon, and neither did I until I was in my twenties.

One of the major problems with long-term deep space human flight is the requirement for radiation shielding.

Mars is there, waiting to be reached.