I look forward to working with the NASA team to help enable new discoveries in our quest to understand our home planet and unravel the mysteries of the universe. John M. Grunsfeld Read Quote
Are we alone? Many, many people on planet Earth want to know. We are on the cusp of being able to answer that question… because of the investments we’re making in space technology. John M. Grunsfeld Read Quote
There’s no question that if we stay on planet Earth and never leave, that eventually we’ll be wiped out. John M. Grunsfeld Read Quote
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 humans are rapidly changing the planet. I’ve watched Amazonia as the rainforest has been cut down. That’s something I’ve seen out the window. I’m very worried about that. John M. Grunsfeld Read Quote
I was not really scared on my spacewalks. We practice so much and need to stay so focused that it has a calming effect on me. I do a kind of visualization and meditation in the airlock prior to going outside, to guide my first activities once I get out in space. John M. Grunsfeld Read Quote
Sometimes astronauts feel a little ill or get minor scrapes. I trained as a crew medical officer to do basic treatment. John M. Grunsfeld Read Quote
Small bodies in our solar system, like comets and asteroids, help us understand how the solar system formed and provide opportunities to advance exploration. John M. Grunsfeld Read Quote
We’re being very careful that we don’t send a spacecraft to Mars with the intention of detecting Martian life – and find out that we detected the Earth life that we took with us. John M. Grunsfeld Read Quote
