New technology enables us to perceive sounds beyond human hearing range, allowing a new perspective on our place on the planet.

Millions of hedgehogs die as they cross the roads, but a discovery is paving the way for a warning that might stop them crossing at dangerous times.

From whale songs to lion roars, animals have evolved to stretch their voices across distances so that friends—and sometimes foes—can hear them. Each sound is coded with messages like "Come here!" ...

Animals on land and sea use sound for different purposes – and alterations in their environment can change the effect it has ...