Long before humans walked the planet, a massive creature ruled the forests and open plains of ancient Eurasia. Paraceratherium, a hornless giant and a distant relative of today’s rhinoceroses, lived ...

A century-old fossil long mislabeled as a caterpillar has been reidentified as the first-known nonmarine lobopodian—rewriting what we know about ancient life. Discovered in Harvard’s museum drawers, ...

The discovery, in a bizarre animal not closely related to birds, could change how scientists think about the origin of ...