Scans of the most well-preserved fossil of a prehistoric flying reptile with intact feathers have revealed how the first birds managed to fly while their non-bird dinosaur cousins could not. The ...

Tens of millions of years ago, a diverse array of bird species soared, swam, and thrived amid their scaly reptile cousins—and ...

Spiked armor, tyrannosaurids, and new discoveries from the early development of birds mark important milestones in 2025.

A Tel Aviv University–led study of 160-million-year-old fossils shows that some feathered dinosaurs likely became flightless, challenging the idea that the evolution of flight followed a linear path ...

A new study led by a researcher from the School of Zoology and the Steinhardt Museum of Natural History at Tel Aviv University examined dinosaur fossils preserved with their feathers and found that ...

Some feathered dinosaurs may have lost the ability to fly, revealing that the evolution of flight was far more complex than ...

"First published in Australia by NewSouth, an imprint of the University of New South Wales Press, Ltd."--Title page verso. "The discovery of stunning, feathered dinosaur fossils coming out of China ...

By about 175 million years ago, a group known as Pennaraptora had emerged - the closest known relatives of modern birds and the only dinosaur lineage to survive the mass extinction 66 million years ...

When you picture a dinosaur, what does it look like? Maybe you think of four-legged herbivores like Apatosaurus or Triceratops. Maybe you imagine large armored dinosaurs like Ankylosaurus or ...

For more than 100 years, researchers assumed that dinosaurs were like giant lizards: sluggish reptiles that spent most of their day basking in the sun. This image changed when we started to realize ...

Quetzalcoatlus northropi has been estimated at various weights. Some estimates are as low as 100 KG (220 lbs) and as high as ...

When you picture a dinosaur, what does it look like? For Jingmai O'Connor, paleobiologist and associate curator of reptiles at the Field Museum of... Birds are dinosaurs. Here's how scientists know ...