Cow killer ants are not cow killers, nor are they ants. Instead, they’re wasps. These wasps are bright red, a warning for predators to stay away. Predators that don’t heed this warning are met with a ...

Some coral reef ecosystems famously have “cleaning stations,” where fish line up to be cleaned by other species of fish and shrimp. Entomologist Mark Moffet recently published observations of what ...

A common type of ant in Europe breaks a fundamental rule in biology: its queens can produce male offspring that are a whole different species. These queen Iberian harvester ants (Messor ibericus) are ...