A new study measuring the cognitive skills of paleognaths – the small-brained, generally flightless, and more stereotypically dinosaur-like class of birds that includes ostriches, emus ...

These “little skeletons of raptor dinosaurs, sheathed in feathers, wings coming out of their arms” were the “final clue that said yes, absolutely, birds really did evolve from dinosaurs ...

The ability to fly evolved in the branch of dinosaurs that gave rise to birds, as well as in another closely related group – the dromaeosaurs, more popularly known as raptors. The traits that enabled ...

And some Velociraptor fossils have tiny bumps on their arm bones where feathers were attached, just like in modern birds. At first, paleontologists thought only theropod dinosaurs had feathers.

WITH legs like a velociraptor and ... “It’s a modern-day dinosaur,” said Peter Rowles, the rugged president of a community group protecting the endangered birds. Fiercely territorial ...

Giant 20-foot-long raptor dinosaurs once roamed Australia, according to a new study that could rewrite the evolutionary history and hierarchy of predators on the continent. The research ...