Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

Palaeognaths include emus and ostriches, and can reach 9 feet tall and weigh upwards of 300 pounds. They are more known for their brawn than their brains and often rely on their running speed and ...

Ancient mammals that lived in the time of dinosaurs were mostly the same dark-brown colour, according to a new study ...

Fossils are providing more and more clues about how dinosaurs attracted one another and reproduced, which contributed to their remarkable ability to populate much of the Earth ...

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But if the dinosaurs had been so successful prior to Chixculub, why did they never re-evolve? Evolution is a complex process ...

Feathers, however, predate birds—having first belonged to extinct dinosaurs. Finding out exactly when feathers evolved, and which animals had them, could offer important new insights into the ...

Now Brusatte and other paleontologists are trying to determine exactly how feathered dinosaurs achieved powered flight and became the birds that fly overhead today – an evolutionary mystery that ...

Scientists discovered two Jurassic bird fossils in China, pushing back bird diversification by 20 million years. One, ...

The skull is from Vegavis iaai, an extinct duck-like bird that lived during the Late Cretaceous, just before non-avian dinosaurs went extinct. It’s one of very few 3D bird skulls known to ...

Scientists uncovered a 149-million-year-old bird fossil in southeastern China with unexpectedly modern traits they believe could rewrite the evolutionary history of birds.