Biggest Heat Shield Prepared for Mars Spacecraft
NASA/JPL-Caltech/Lockheed Martin
The heat shield for NASA's Mars Science Laboratory is the largest ever built for a planetary mission.
Curiosity Mars Rover Mockup in Death Valley
NASA/JPL-Caltech
A mockup of NASA's Curiosity Mars rover gets its wheels dirty in sand dunes near California's Death Valley in early May 2012.