Phoenix's Wet Chemistry Lab

Readying Juno's Propulsion Module

Illustrating MastCam Capabilities with a Terrestrial Scene

Mars Rover Curiosity in Artist's Concept, Tall

NASA Mars Rover Curiosity at JPL, View from Front Left Corner

Close Look at Curiosity's First Drive

Hypersonic Entry

Seventeen Cameras on Curiosity (Artist Concept)

Mars Science Laboratory Powered Descent Vehicle

NASA's WISE Spacecraft in Protective Covering

Preparing for a Mars Radar Test

Body and Mast Units of ChemCam Instrument for Mars Rover

Dawn Orbiting Vesta

Our Solar System, from the Outside

Martian Samples Leaving Mars (Artist's Concept)

Interferometer Testbed

Bringing Black Holes Into Focus

Next Mars Rover Starts Rolling

JPL Testbed Image of Inflated Airbags

Testing of Mars Landing Radar near Lancaster, Calif.

ChemCam Mast Unit Being Prepared for Laser Firing

Integrating NuSTAR

Uphill Climb

Radiation Levels on the Way to Mars

Mars Rover Curiosity in Artist's Concept, Wide

SAM Instrument at NASA Goddard Space Flight Center

Preparing Juno for Environmental Testing

Curiosity While on Parachute, Artist's Concept

NASA's Next Mars Rover on a Test Drive

A Dance of Two Suns and One Planet (Artist Concept)

Mars Science Laboratory Stacked Spacecraft

Beginning the Journey to the Launch Pad

Moviemaker with Mars Rover 'Stunt Double'

Ramp Drive Test for Curiosity Mars Rover

Gold Foil on Aquarius Reflector

Bright Days Ahead for Curiosity Mars Rover

Artist’s Concept of the Orbiting Carbon Observatory

Peeling Back Layers of a Martian Polar Ice Cap (Artist Concept)

Juno Main Engine Firing

Final Closeout Actions for Curiosity's Heat Shield and Back Shell

JPL Testbed Image of Deflated Airbag

Arm Stretch by Curiosity Mars Rover

Location of DAN on Curiosity

Deep Space 1's Ion Engine

Mars Rover Curiosity, Left Side View

Mars Rover Curiosity Raising Turret

NASA's Juno Spacecraft Awaits Launch

Head of Mast on Mars Rover Curiosity

GRAIL Flying in Formation (Artist's Concept)

NASA's WISE Spacecraft Situated on Work Stand

Mars Science Laboratory Rover Closeout