Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center located in La Cañada Flintridge, California, United States.
JPL is managed by the nearby California Institute of Technology (Caltech) for the National Aeronautics and Space Administration. The laboratory's primary function is the construction and operation of robotic planetary spacecraft, though it also conducts Earth-orbit and astronomy missions. It is also responsible for operating NASA's Deep Space Network.
Among the laboratory's current major active projects are the Mars Science Laboratory mission (which includes the Curiosity rover), theCassini–Huygens mission orbiting Saturn, the Mars Exploration Rover Opportunity, the Mars Reconnaissance Orbiter, the Dawnmission to the dwarf planet Ceres and asteroid Vesta, the Juno spacecraft en route to Jupiter, the Nuclear Spectroscopic Telescope Array (NuSTAR) X-ray telescope, and the Spitzer Space Telescope.
JPL's Space Flight Operations Facility and Twenty-Five-Foot Space Simulator are designated National Historic Landmarks.