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 ...

And unlike ground-dwelling dinosaurs, birds could fly to new areas to find food and shelter, giving them a huge survival advantage when ecosystems collapsed. With all the larger non-avian dinosaurs ...

D modeling reveals that as bird brains grew larger, it led to changes in jaw muscles and joint mechanics—enabling the ...

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.

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 ...