In vertebrates, the skeleton of different regions of the body arises from different precursor cells. Researchers at the ...

Paleontologists discovered Duonychus tsogtbaatari from fossils uncovered in 2012. It was a giant, feathered creature adapted ...

While Duonychus tsogtbaatari had formidable claws, they were likely used to grasp vegetation, according to a study of a fully ...

With distinctive two-fingered claws, the remains of a previously unknown species of dinosaur suggest it looked like a bizarre ...