TOKYO -- Japanese researchers aim to put artificial intelligence-powered robots, each small enough to be held in one hand, on the lunar surface to test new technology for helping humans live on the moon.
Tiny devices being developed to hunt for lava tubes below lunar surface

Researchers envision dozens of these robots exploring lunar caves to aid in the work of building an underground city on the moon. (Photo by Mana Kuroda)
TOKYO -- Japanese researchers aim to put artificial intelligence-powered robots, each small enough to be held in one hand, on the lunar surface to test new technology for helping humans live on the moon.