NASA to Search for Signs of Life in Our Solar System
CNN's John Roberts talked to Jim Green, Director, Planetary Science Division, about NASA's new efforts at finding and understanding life outside of Earth. The mission comes as Stephen Hawking warns that alien contact could be dangerous. The missions NASA plans to run aren't likely to result in dangerous alien contact. They are looking for tiny signs of life on the moons of planets in our solar system. Jim Green says Europa may be one of the most promising prospects, because it contains so much water. You can find out more about NASA's plans to search our solar system at solarsystem.nasa.gov. Take a look:
