This branch of the tree of life gave rise to various reptiles, including pterosaurs, and eventually to crocodiles and other modern species. Dinosaurs were a different branch of archosaurs that ...

Marcin Ambrozik Prehistoric poop is full of secrets. Now, one of those secrets—the key to the rise and dominion of dinosaurs—might have finally been revealed. In a new study, scientists ...

About 200 million years ago, the earliest dinosaurs had a lot of reptilian company. There were big crocodile-like creatures, ponderous plant-eaters, even four-legged runners with fierce ...

For tens of millions of years, dinosaurs dominated the planet – by not being finicky eaters. A new study published Wednesday in the journal Nature sheds some new light on how that came to be ...

The contents of 200-million-year-old faeces and vomit are helping show how dinosaurs took over the world at the start of the Jurassic Period. Well-preserved plants, bones, fish parts and even ...

Early dinosaurs rose to dominance because they ate a lot of plants. This is the conclusion of an international team of researchers who studied hundreds of fossilized droppings—or "coprolites ...

Why did the dinosaurs die out and the mammals survive? How did dinosaurs evolve into birds? If you met a Velociraptor today you’d probably mistake it for a large flightless bird, says Steve.