If the Wright brothers hadn't put their lives on the line, we would not be flying around the world these days. So we need pioneers.

At a certain R.P.M., there's only one way for blood to leave your body, and that's through your eyeballs. That means you're dead.

Aviation - and space travel, in particular - have always been especially captivating.

I have a lot of fears that normal people have.

One of the most exciting moments was standing out on top of the world, 30 seconds before stepping off.

I want to inspire the next generation. I want to be in mission control with someone younger than me wanting to break my record.

I had to work with a psychiatrist.