Curiosity probe lands on Mars

ScienceNASAJet Propulsion LaboratoryCharles Bolden
Mars Science Laboratory Curiosity rover flight controllers and managers (L-R) NASA Administrator Charles Bolden, JPL director Charles Elachi, NASA associate administrator John Grunsfeld, Richard Cook, Pete Theisinger, Adam Steltzner and John Grotzinger stand as they celebrate after a successful... FRED PROUSER, REUTERS