Chris hadfield

I once made myself black out by pulling G too quickly while flying an F-18. Being unconscious in a single-seat airplane is not good. Fortunately, I woke up in time. I learned how to better plug-in my...

A lot of people live in fear because they haven't figured out how you're going to react when faced with a certain set of circumstances. I've come to terms with this by looking deeply into whatever...

Now, as an astronaut, I have to bring a Sharpie with me everywhere - so I have a pen to sign autographs.

You can get claustrophobia and agoraphobia - a fear of wide, open spaces - simultaneously on a spacewalk.

In the astronaut business - the shuttle is a very complicated vehicle; it's the most complicated flying machine ever built. And in the astronaut business, we have a saying, which is, 'There is no...

I've raised three kids: my wife and I have three kids. I've observed through direct contact the adults they are now is partially the product of where they came from and what we did. With them growing...

I've had a chance to see something that is way outside everybody else's frame of reference and gives a perspective that is very different from everyone else's.

I've been so lucky to have done two spacewalks. If you looked at your wristwatch, I was outside about 15 hours, which is about 10 times around the world. And, you know, there's a whole time dilation,...

Although simulators are great for building step-by-step knowledge of a procedure, the worst thing that can happen in a sim is that you get a bad grade on your performance.

Space is not a good place to mix foods because as soon as you take something out of the package, it becomes a flying object.