I'm really looking forward to it, if you can imagine floating weightless, watching the world pour by through the big bay window of the space station playing a guitar; just a tremendous place to think about where we are in history.

By looking at the difference between perceived danger and actual danger, you can fundamentally change your reaction.

The Moon has given us months, tides and a destination that ever-beckons. It's time we build a rocket and go to stay.

I'm really looking forward to it, if you can imagine floating weightless, watching the world pour by through the big bay window of the space station playing a guitar; just a tremendous place to think about where we are in history.

"What's the next thing that's going to kill me?" is a mantra for pilots and astronauts.

Almost everything worthwhile carries with it some sort of risk.

Imbibe three or four times as much water as you think you need and skip at least one, if not two meals, when you are travelling. You should arrive at your destination feeling slightly hungry and your digestive system reset.