Kobayashi and his colleagues christened the new therizinosaur, Duonychus tsogtbaatari. The genus name means “double claw”, ...

Feathers may have started as simple filaments in ancient dinosaurs, but a team of Swiss researchers is digging deep into the ...

Around 230 million years ago dinosaurs roamed the earth, but today all we have left are fossils. The most accepted theory of what caused the extinction of the dinosaurs is the asteroid theory.

A winged-dinosaur related to the birds in your backyard has intrigued paleontologists for more than 160 years. Now, a rare and spectacularly preserved fossil of this creature, known as ...

Recent research suggests that Velociraptor mongoliensis was a feathered dinosaur. A forelimb fossil discovered in Mongolia showed quill knobs like those found in many modern birds. These telltale ...

Archaeopteryx's strong ankles probably served as shock absorbers during landings. The bones comprising them were relatively long compared to those of related dinosaurs, and they were partially ...