The final frontier may be human relationships, one person to another.

America must dream again, and have the faith to achieve the dream.

NASA needs to focus on the things that are really important and that we do not know how to do. The agency is a pioneering force, and that is where its competitive advantage lies.

Space architectures capable of supporting a permanent human presence on Mars are extraordinarily complex, with many different interdependent systems.

Unfortunately, kids are led to believe things are easier to achieve than they really are.

I do celebrity ski races all over the world.

There are always door openings. And gradually, it accumulates. The opportunities open up in front of you.