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, ...

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 ...

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 ...

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 ...

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 ...

A new exhibit at the Center of Science and Industry museum in Columbus is taking guests to a land before time. The exhibit, called "Flight in the Age of Dinosaurs," highlights some of the oldest ...

Millions of years ago, oversized insects such as griffinflies boasting wingspans comparable to today's hawks scuttled across (and fluttered above) the planet. But why these jumbo jets of the insect ...