The fossilized tyrannosaur teeth are thought to date to around 135 million years ago and represent a first of its kind ...

Doing so allowed the researchers to understand how many and what type and size of dinosaurs, as well as other vertebrate animals, were in the landscape at a given point in time. The analysis ...

An asteroid struck Earth 66 million years ago, triggering a horrific mass extinction. But the way the dinosaurs came to ...

But there isn’t a single hypothesis that fully explains their rise to dominance. To better understand dinosaurs’ early ... including different types of microscope and a technique known as ...

The analysis of hundreds of fossilized droppings (plus a little bit of petrified vomit) from roughly 230 million years ago ...