NASA is no stranger to backing unusual technology if it'll help with exploring the cosmos, and its latest move is proof of that adventurous mindset. The administration has invested in 25 "early-stage" tech proposals that could improve both human and robotic exploration, and some of them are particularly inventive. The Shapeshifter concept you see above, for instance, envisions a horde of robots that combine into different forms to explore virtually every surface on Saturn's moon Titan. It could form an aircraft for high-altitude missions, a ball on the ground or a torpedo for under-liquid expeditions. Another proposal, Biobot, would offload some of an astronauts' life support and consumables to a companion robot tethered by an umbilical system.