Deep inside an ant nest, some of the youngest members are primed to die for the group. When infection strikes, these baby ...

Illness usually brings trouble in the animal world. A weak member may be pushed aside, attacked, or left behind. Many animals go to great lengths to hide sickness. But for creatures bound by family, ...

Researchers report that in the absence of visible landmarks, desert ants increase the likelihood that foraging nest mates will find their way home quickly and safely by elevating their nest entrance.