I'm absolutely compelled for NASA to send international astronauts to Mars to find out if Mars ever harbored life. — John M. Grunsfeld Copy Share Image
Our country... invests a tiny fraction of 1 percent in NASA, and this is what's so amazing to me, is with that… — John M. Grunsfeld Copy Share Image
What we do at NASA is inspiring. It's reaching, it's visionary, and it inspires people on Earth to try hard things. — John M. Grunsfeld Copy Share Image
Asteroid detection, tracking, and defense of our planet is something that NASA, its interagency partners, and the global community take very seriously. — John M. Grunsfeld Copy Share Image
I have had the privilege to be a member of many high-performance teams at NASA, both on and off the planet. — John M. Grunsfeld Copy Share Image
Science at NASA is all about exploring the endless frontier of the Earth and space. — John M. Grunsfeld Copy Share Image
I'm absolutely compelled for NASA to send international astronauts to Mars to find out if Mars ever harbored life. — John M. Grunsfeld Copy Share
The most striking thing to me about human space flight and my own personal experience is that I've seen dramatic changes on Earth. We… — John M. Grunsfeld Copy Share
At the age of six, I declared that I wanted to be an astronaut. My mother thought that was just fine, as it would… — John M. Grunsfeld Copy Share
I can't imagine anywhere I'd rather be than outside the space shuttle in my space suit next to the Hubble Space Telescope. — John M. Grunsfeld Copy Share
Hubble uniquely has been able to look in the atmosphere of a planet orbiting a nearby star and figure out what's in that atmosphere. — John M. Grunsfeld Copy Share
I see no difference between scientific exploration and human exploration. — John M. Grunsfeld Copy Share
Being an astronaut, there are not a lot of things that have really shocked me in my life. — John M. Grunsfeld Copy Share
I kind of feel like I found my cause in life servicing the Hubble Space Telescope. — John M. Grunsfeld Copy Share
One of the things that happens in space is that there is a fluid shift. You get a lot of extra pressure, and it… — John M. Grunsfeld Copy Share
The things I like to do involve a lot of mental focus, a combination of physical and mental challenge. That is what mountain climbing… — John M. Grunsfeld Copy Share
