These nocturnal insects have amassed an impressive defensive arsenal against bats’ echolocation.

Animals tend to top nature's list of protective parents, but wild radishes and other plants can also go to impressive lengths to protect their young.

Three species of weasel, including one considered the world's smallest carnivore, are likely in decline, researchers say.

When fawns sense danger from many sources, they relax rather than act hypervigilant. It's like they feel "there's no point in being ready to hide or flee."

The plumose anenome dines on a surprising menu item: ants. A new study digs into how they became part of a marine food chain.

Snails carrying the world's smallest computers have helped solve the mystery of a species that survived mass extinction, researchers report.

A Fitbit and spy mic have given scientists new insight into the never-before-heard sounds of Canada lynx hunting, fighting, and sleeping.

By looking at the eye bones and ear canals of extinct dinosaurs, researchers show that a small ancient predator likely hunted at night and had senses as good as a modern barn owl.

Predators like parrotfish and pufferfish pose much more of a threat to young coral than previously believed.