Even among the strangest-looking dinosaurs, few are as odd as the newly discovered Duonychus tsogtbaatari. Unearthed in ...

A dinosaur fossil discovered in Mongolia boasts the largest ever complete claw, but the herbivorous species only used it to grasp vegetation ...

The Duonychus tsogtbaatari fossils preserve the keratin sheath that covered its bony claw. Photograph by Kobayashi, et, al Dinosaur claws were made of bone covered in keratin sheaths, the same ...

With distinctive two-fingered claws, the remains of a previously unknown species of dinosaur suggest it looked like a bizarre mix of sloth, giraffe and cult movie hero Edward Scissorhands, according ...

With distinctive two-fingered claws, the remains of a previously unknown species of dinosaur suggest it looked like a bizarre mix of sloth, giraffe and cult movie hero Edward Scissorhands ...