NASA's Jet Propulsion Laboratory is in Pasadena, Calif. JPL is trailblazing in outer space with a fleet of robotic spacecraft exploring and returning data about Earth, Mars, Saturn, other worlds and the far reaches of the Universe. Visit: http://www.jp l.nasa.gov Important note: The advertisements and "recommended shows" on this page are selected by Ustream.tv and are not endorsed by NASA or JPL.