NASA Chief Scientist Predicts We'll Find Signs Of Alien Life By 2025

Here's the full quote, as delivered by NASA Chief scientist Ellen Stofan at Tuesday's panel discussion on the Agency's search for habitable worlds and alien life: "I think we're going to have strong indications of life beyond Earth within a decade, and I think we're going to have definitive evidence within 20 to 30… » 4/07/15 11:16pm 4/07/15 11:16pm