Editor’s Note: Science has transformed our understanding of dinosaurs in the past two decades. Get caught up with what’s new in this five-part CNN series. One close glimpse of a modern bird, ...

"The breakthrough was the discovery of an ancient pterosaur relative, a small lagerpetid archosaur named Ixalerpeton from 233 ...

For more than a hundred years, scientists believed flying reptiles called pterosaurs took to the air with birdlike brains. Old fossils seemed to show it. Hard stone casts inside skulls hinted at big ...

WASHINGTON — The Jurassic version of jumbo jets — huge flying creatures weighing hundreds of pounds — is a mystery of dinosaur-era flight: How did something so big get off the ground? A Johns Hopkins ...

Dinosaurs were generally huge, but a new study of the unusual alvarezsaurs show that they reduced in size about 100 million years ago when they became specialized ant-eaters. Dinosaurs were generally ...

The body composition of two, tiny, bat-like dinosaurs made them more likely to be fallers than fliers, to paraphrase Littlefoot. Yi qi and Ambopteryx longibrachium used their wings to glide – just not ...

An enormous reptile discovered in Alberta, Canada, is one of the biggest flying creatures ever discovered, with a wingspan of up to 32 feet—roughly double the height of an average giraffe. The species ...

One close glimpse of a modern bird, especially around the eyes, and it may feel like you're looking into the ancient past, when massive creatures walked the Earth and soared across its skies. It's ...

One close glimpse of a modern bird, especially around the eyes, and it may feel like you’re looking into the ancient past, when massive creatures walked the Earth and soared across its skies. It’s ...

One close glimpse of a modern bird, especially around the eyes, and it may feel like you’re looking into the ancient past, when massive creatures walked the Earth and soared across its skies. It’s ...