American Quote by Alan Stern

It's clear that the only thing that is inhibiting us from doing further human exploration of space is money and the will to do…

— Heidi Hammel

Space travel benefits us here on Earth. And we ain't stopped yet. There's more exploration to come.

— Nichelle Nichols

The reality is the majority of us will not get off this planet. So the long run is, some kind of space exploration has…

— Mae Jemison

If NASA is to reach beyond the Moon and someday reach Mars, it must be relieved of the burden of launching people and cargo…

— Bill Nye

Research into manned spaceflight is shifting from low-Earth orbit to destinations much further away, like Mars and the asteroid belt. But society will have…

— Andy Weir

It's so astounding the amount of sacrifice the astronauts have to go through to do what they do and all the science involved in…

— Jihae

Space offers extraordinary potential for commerce and adventure, for new innovations and new tests of will. As Americans, we can't help but reach for…

— Bill Frist

If we drive down the cost of transportation in space, we can do great things.

— Elon Musk

We need to be very thoughtful about how we propose to spend the money that NASA does have for space exploration. And we need…

— Heidi Hammel

In a big picture sense, it's more national prestige that we're risking. You know, we are proud of our space program, but as we…

— Leroy Chiao

Too many people view on [space exploration] as a luxury rather than as a fundamental driver to stimulate interest in science to everyone in…

— Neil deGrasse Tyson

Sending people into space is very important culturally. That's really the justification. You cannot rationally justify it on the basis of the science and…

— Kip Thorne