If I had an unlimited budget, I would really be probing that question of life because we know what the questions are, and we know what the destinations are. Ellen Stofan budgetdestinationlife Change image and share on social
Water-based life is very much an Earth-centric view, and we can push the envelope on that here in our own solar system. We have the methane seas of Titan. Ellen Stofan basecentricearth Change image and share on social
One of the big things about space exploration is that it is as expensive as it is complicated, and you need all the countries of the world to help if you want to accomplish big goals. Ellen Stofan accomplishbigcomplicate Change image and share on social
Mars missions will require up to three years in reduced gravity, so we need to make sure astronauts can not only survive but thrive as they move outward to explore this new world. Ellen Stofan astronautexploregravity Change image and share on social
Prior to Magellan, due to the fact that we knew it was so hot on Venus, we thought that the rocks at the surface would behave more plastically, more like Silly Putty than like solid rock in the way that we think of it, like the rocks that I'm sitting on. Ellen Stofan behaveduefact share on social
To unambiguously settle the questions of whether there was life on Mars, it will take scientists down on the surface. Ellen Stofan lifemarquestion Change image and share on social
You see countries like India really investing in their space program because they see it as inspirational and good for their economy. Ellen Stofan countryeconomygood Change image and share on social
With the mission to Mars, the whole world wants to get involved. So we actually have 13 different space agencies from around the world working on the global exploration road map. Ellen Stofan agencyexplorationglobal Change image and share on social
I live an hour from NASA's HQ in Washington, D.C., and sitting in a jam stresses me out. Ellen Stofan hourjamlive Change image and share on social
When we go to explore, we do it as a globe. Ellen Stofan exploreglobe Change image and share on social