In other words, burrowing on other worlds is hard. But that didn't stop the team in Guangdong from trying. Their robot is meant to be much more similar to an actual mole than either HP3 or PLUTO was.

Beneath the deserts of Australia, a tiny and mysterious mammal glides through the sand-the marsupial mole. There are two species […] ...

As in some insect species, the queen is the only naked mole rat female to breed and bear young. Worker animals dig the burrows that the whole clan inhabits, using their prominent teeth and snouts.

Individuals living in wet soils burrow above and below the water table, and moles near water usually have tunnels that open at, or below, the water surface. Enlarged, dry sections of the tunnels serve ...

It's also the southernmost U.S. mole skink, found mainly in Dry Tortugas and the Lower Keys along Florida's shoreline, living in sandy areas where it burrows deep for refuge. But this little lizard is ...