As individuals, driver ants are small and relatively insignificant creatures. But as a colony, they transform into a huge and ruthless killing machine. Their swarm raids move like a living force ...

Ants farm aphids. It's weird yet fascinating. And a bit like a miniature horror movie. But it's a nightmare for gardeners.

MONTPELLIER, France — Researchers have uncovered an unusual survival strategy in Iberian harvester ants that turns basic biology on its head: The queens can produce eggs that develop into two ...