Tiger beetles generate "anti bat-sonar" to prevent echolocating bats from eating them, scientists say. An experiment suggests the beetles mimic sounds created by poisonous insects that bats avoid.

Ever suddenly realize you had picked up certain words or ways of speaking from a close friend? It turns out that humans are far from the only animals who copy the sounds of their closest companions—a ...

It's late in the day on a muggy spring afternoon in northern Belize. A couple dozen researchers enter the Lamanai Archaeological Reserve on foot. Their objective is to catch as many different kinds of ...

When night falls, a high-stakes acrobatic drama takes the stage, a swirl of bats hunting insects, trying to outmaneuver each other in aerial pursuit and escape. Science reporter Ari Daniel has the ...