The bubble-head space suit is an icon, an emblem of great innovation and achieving big dreams. But it's also entirely too puffy for its own good. The gas pressure that keeps the astronauts safe inside also restricts movement.
For better or worse, the traditional spacesuit's days may be numbered. Read MoreBlue Sky SolutionsCould lasers help cool a warming Earth?
Today they're scuttling around the parking lot of the Kennedy Space Center looking for barcoded scraps of paper. But one day, NASA hopes to use similar robots to comb the surface of the moon, or Mars, or an asteroid, looking for fuel or other valuable material underground. Read More