NASA's Mars Science Lab and Curiosity rover are the next steps in a long-term plan to travel farther and faster into space. Check out this visual tour of the future spacecrafts and tools that will get them there.
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NASA's newest humanoid robot was put to work on the International Space Station in October 2011. Robonaut 2, built in partnership with General Motors, is the first such robot to fly in space. It has a torso, head, arms, and hands, but no legs or feet. Robonaut 2 is designed to help humans in complex tasks. It even tweets at twitter@astrorobonaut. Credit: NASA