We may have gotten the evolutionary origins of the echidna backward, as new research suggests its ancestors probably lived in ...

Imagine plunging into the depths of the ocean and coming face to face with a creature that glides through the water with ...

The new species were found in the East China Sea, a body of water off the eastern coast of China, south of Japan and South ...

Although almost certainly still encased in fleshy lobes, appendages could have helped support or even propel the animal in shallow water or mud flats. If so, it changes our view of the evolution ...