Scientists have discovered a new dinosaur from Argentina with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet long and hailed from a mysterious group of ...

For decades, a few hundred miles northeast of Beijing, the Yixian Formation has offered up a treasure trove of exquisite dinosaur fossils dating back to the early Cretaceous (about 145 to 66 million ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...

A trove of specimens from New Mexico may help settle a long-running argument about the diversity of dinosaurs before their extinction. A life reconstruction of Alamosaurus sanjuanensis, from the ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...

A microbiologist named João Pedro de Magalhães has proposed the idea that the reign of dinosaurs forced mammals to speed up their reproductive cycle, eliminating key longevity genes. de Magalhães ...

On particularly anxious nights, you might find yourself dreaming about getting chased by a fearsome dinosaur. The creature closing in on you opens its mouth wide, as if to give a terrible roar—and ...

This is read by an automated voice. Please report any issues or inconsistencies here. The dinosaurs are coming this holiday season. The South Coast Botanic Garden in the Palos Verdes Peninsula will ...

When did these blockhead dinosaurs get their domes? A new fossil is “the specimen we have all been waiting for.” In this artist's reconstruction, two pachycephalosaurs from the new species Zavacephale ...

Dinosaurs dominated the land for around 180 million years. Yet we have little idea what life was like for these prehistoric icons as interpreting fossils that are at least 65 million years old is ...

Two T. rex dinosaurs square up for a fight in an illustration. Dinosaurs in the Cretaceous were thriving until the Chicxulub asteroid initiated a mass extinction. Mark Garlick / Science Photo Library ...