In the wild, ants build their homes underground. And they live together in groups called colonies, like we live together in families and cities. NARRATOR:'Inside their colony, the ants are very busy.

The Argentine ant is one of the most invasive ... or Linepithema humile—bravely playing their part in maintaining the world’s largest ant colony. Having numbered exactly zero in the U.S ...

Just like human societies, ant societies have a division of labor. Within a colony, some individuals feed the young while others are soldiers who protect the colony from intruders. New research ...