So many people I talk to who work in technology, you ask them, 'What got you interested in science?' and those from my generation say, 'The Apollo landings.' Ellen Stofan apollogenerationinterest Change image and share on social
As we visit Mars multiple times, we will build up infrastructure on the surface to expand the capabilities and reach of humans on Mars. Ellen Stofan buildcapabilityexpand Change image and share on social
If you think of the Apollo capsule coming into Earth with a parachute, the Mars atmosphere is just so thin, you've got to find some way of slowing yourself down really rapidly. Ellen Stofan apolloatmospherecapsule Change image and share on social
Mars was this water-based planet, and we know there was stable water on the surface for a long time, which is critical for life having a chance to develop. Ellen Stofan basechancecritical Change image and share on social
We're going to understand that there is life on other bodies in the solar system. Ellen Stofan bodylifesolar Change image and share on social
I grew up in this business... A lot of my life has been centered around this question about how NASA is helping us to understand our own home planet... and to understand our place in the universe. Ellen Stofan businesscentergrow Change image and share on social
As chief scientist, it's sort of my job to look at bridges between what we do and to see the connections. But when we try to understand how are planets around other stars habitable... to looking back at the Earth - how are the changes that are taking place, how are they going to affect humanity? Ellen Stofan affectbackbridge share on social
We want to make sure we get living astronauts to the surface of Mars. Ellen Stofan astronautlivemake Change image and 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
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