When I became the NASA administrator — or before I became the NASA administrator — Barack Obama charged me with three things. One was he wanted me to….

I did grow up watching Buck Rogers and Buck Rogers didn't stop at Mars. In my lifetime, I will be incredibly disappointed if we have not at least rea….

As long as there are history books, Neil Armstrong will be included in them, remembered for taking humankind's first small step on a world beyond our….

It's highly improbable in the limitless vastness of the Universe that we humans stand alone..