For a long time, society put obstacles in the way of women who wanted to enter the sciences.

Rocket science is tough, and rockets have a way of failing.

Three Secrets to Success: Be willing to learn new things. Be able to assimilate new information quickly. Be able to get along with and work with other people.

So I saw many planets, and they looked just a little bit brighter than they do from Earth.

So most astronauts are astronauts for a couple of years before they are assigned to a flight.

It's easy to sleep floating around - it's very comfortable. But you have to be careful that you don't float into somebody or something!

When you're getting ready to launch into space, you're sitting on a big explosion waiting to happen.