Phoenix Mars Lander scientists celebrate after the Phoenix Mars Lander spacecraft landed successfully in the first-ever touchdown near Mars' north pole at the mission control room of the Jet Propulsion lab in Pasadena, California May 25, 2008. The scientists are (L-R) Barry Goldstein, JPL project manager for NASA's Phoenix Mars Lander, Ed Sedivy, Phoenix spacecraft manager, Lockheed Martin, Phoenix principal investigator, Peter Smith (white hair) of the University of Arizona and Fuk Li, manager, NASA Jet Propulsion Laboratory Mars Exploration Program. [Agencies]