Scientists are using underwater microphones to study beaked whales, the ocean’s most elusive mammals. Echolocation clicks ...

Why do whales use echolocation when bacteria do not? Because body size determines available sensing modes, argue researchers following a new study. Why do whales use echolocation when bacteria do not?

A new fossil species, Cotylocara macei, shows evidence of echolocation and the complex anatomy underlying this unique behavior that has evolved in toothed whales, dolphins and porpoises. "Its dense ...

Toothed whales – like dolphins and belugas – might live in the ocean, but they have some big things in common with cave-dwelling bats. They’re all mammals that live in dark places and use echolocation ...

Off the coast of Washington, there are “resident” orcas who hang out close to shore, “offshore” orcas that tend to stay farther out to sea, and “transient” orcas who can show up anywhere. Scientists ...

Bats emit high-frequency sound pulses through their nose or mouth and listen to the echo to determine the size, shape, and texture of objects ...

What do bats, dolphins, and submarines have in common? They use the same technique to get a sense of their surroundings: echolocation. Here, an animal or a device emits sound waves, and listens for ...