NASA tests foldable, robotic scout for Mars

The next NASA rover to head to another planet might take a little robotic scout along with it.
This robot can fold up its wheels and tuck itself away or unfold and pop up like a piece of origami.
That’s what NASA is saying about its new "PUFFER" robot, or Pop-Up Flat Folding Explorer Robot, which is about the size of a human hand.
The robot is expected to change the way robots explore Mars. These devices can drop into crevices and craters, climb steep slopes and travel 2,050 feet on one b