A major collection of more than 50 bird fossils found in northern Alaska suggest some ancient ancestors of modern birds ...

Before the mighty Tyrannosaurus rex and its relatives ruled the Mesozoic world's last act, Earth's top predators were the ...

The Mesozoic era saw the rise of some of the most iconic animals, from Tyrannosaurus rex to birds and mammals. When you purchase through links on our site, we may earn an affiliate commission.

The Mesozoic era, which spanned the time from 251 million to 66 million years ago, is often referred to as the age of dinosaurs. But although dinosaurs reigned supreme on land back then ...

None might be as genetically modified as Distortus, but they’ve been created with many different mutations. Some, like the ...

But there were also some similarities. And now scientists have confirmed a new one: Diverse firefly species lit up the night during the late Mesozoic. The discovery comes from a fossil of an ...

In the pantheon of dinosaur royalty, sauropods may have been the biggest and tyrannosaurs the deadliest. But the ceratopsians, ankylosaurs and stegosaurs were the most metal dinosaurs of all. With ...

WASHINGTON (Reuters) - A strange-looking dinosaur with rows of tiny teeth crammed into the very front of its jaws and fragile air-filled bones may have been the "cow of the Mesozoic," and far more ...