A rare fossil unearthed in Mongolia's Gobi Desert has led to the identification of a new dinosaur species Duonychus ...

Feathers may define birds today, but their story began millions of years ago in creatures that looked very different from ...

It is an ornithischian that lived on Earth 193 million years ago. "Along with other non-avian dinosaurs, they faced extinction at the end of the Cretaceous, while their early evolutionary history ...

But, according to well-preserved throat fossils discovered in 2005, many non-avian dinosaurs might have relied on chirps instead of ferocious roars to get their voice out there. The fossils ...

This geological epoch followed the Cretaceous-Paleogene extinction event that killed off non-avian dinosaurs about 66 million years ago. Many scientists believe that this mass extinction paved the ...

Scientists suggest that bigger brains in bird ancestors led to more flexible skulls, playing a key role in their evolution.

The benefits of ‘wiggly’ skulls Modern birds, as well as other animals like snakes and fishes, have skulls with jaws and palates that aren’t rigid and fixed in place like those in mammals, turtles, or ...

Credit: Alec Wilken, Casey Holiday When the team analyzed data from the 3D models, they saw that as brain and skull sizes increased in non-avian theropod dinosaurs, muscles shifted into different ...