Dinosaurs had such an immense impact on Earth that their sudden extinction led to wide-scale changes in landscapes—including the shape of rivers—and these changes are reflected in the geologic record, ...

Did all dinosaurs become extinct, killed when an asteroid hit the Earth 66 million years ago? Or could a few of them, somehow, have survived that mass extinction event – with their descendants living ...

T. rex and Triceratops were both alive at the moment an asteroid collided with Earth 66 million years ago, but did it kill them? In the rocks across Montana, a mysterious layer is found separating ...

Two perfectly articulated skeletons of the sheep-size dinosaur Psittacosaurus, found in China's Yixian Formation. New research suggests they died in burrow collapses, not via volcanism, as previously ...

The discovery of a "prehistoric highway" in the United Kingdom could reveal more about how dinosaurs traveled millions of years ago. Oh, I've heard about this, Leila. People say Broadway in New York ...

How did dinosaurs become birds—and what good is half a wing? How did dinosaurs become birds—and what good is half a wing? Join Joe and a few brave chickens as they recreate a brilliant experiment that ...

Extraordinarily well preserved fossils of feathered dinosaurs and other creatures got that way after being frozen in time by by volcanic eruptions, researchers have long suggested. Not so fast, says a ...

Some of the roads that we drive every day follow the routes of much older trails. STEVE INSKEEP, HOST: Oh, I've heard about this, Leila. People say Broadway in New York City follows an old trail, for ...