Two dinosaurs fossilized in combat, originally thought to involve a juvenile Tyrannosaurus rex testing its mettle against a Triceratops, actually feature a separate species frequently confused with ...

The 67 million-year-old fossils were found in Hell Creek Formation in Montana. Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of ...

What if everything we know about T. rex growth is wrong? A complete tyrannosaur skeleton has just ended one of paleontology's longest-running debates—whether Nanotyrannus is a distinct species, or ...

Researchers have unearthed two dinosaur "mummies" in the badlands of Wyoming, confirming duck-billed dinosaurs had hooves, alongside a string of other discoveries. When you purchase through links on ...

Dinosaurs weren’t dying out before the asteroid hit—they were thriving in vibrant, diverse habitats across North America. Fossil evidence from New Mexico shows that distinct “bioprovinces” of ...

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 ...

It was in egg-cellent condition. Argentine paleontologists found a real diamond in the rough after happening across a perfectly preserved 70 million-year-old dinosaur egg during an excavation. “It was ...

The end of the dinosaurs was clearly linked to an asteroid impact that brought the Cretaceous period to a close. But the details of their end have remained a matter of debate since the impact crater ...

More than a century ago prolific fossil collector Charles Sternberg discovered the skeleton of a duck-billed Edmontosaurus dinosaur in the sandstone rocks of the Lance Formation in eastern Wyoming.

For decades, many scientists believed dinosaurs were already dwindling in number and variety long before an asteroid strike sealed their fate 66 million years ago. However, new research in the journal ...

One of the worst days in the history of life on Earth started like any other. Herds of hadrosaurs with huge head crests and duck bills roamed ancient New Mexico for plants to eat, making sure not to ...

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 ...