Article Photos: NASA rover Curiosity lands on Mars after plummet 14/25

  Propulsion engineers Todd Barber, second right, and Raymond Baker, right, work inside the Spaceflight Operations Facility for NASA's Mars Science Laboratory Curiosity rover at Jet Propulsion Laboratory (JPL) in Pasadena, Calif. on Sunday, Aug. 5, 2012. The Curiosity robot is equipped with a nuclear-powered lab capable of vaporizing rocks and ingesting soil, measuring habitability, and potentially paving the way for human exploration. (AP Photo/Los Angeles Times, Brian van der Brug, Pool)