The debate over Nanotyrannus’ identity is finally over. A remarkably preserved fossil proves it was a mature species, not a teenage T. rex. This discovery rewrites how scientists understand ...

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 ...

Paleontologists at the North Carolina Museum of Natural Sciences have discovered a new species of dinosaur called nanotyrannus lancensis. The discovery came after studying a fossil called "Dueling ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. For decades, paleontologists have argued about size. Specifically ...

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 ...

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a separate species may finally be settled. When you purchase through links on ...

For decades, paleontologists debated whether fossils were of a young T. rex or a species called nanotyrannus. A new study settles it: Nanotyrannus is real. A remarkably complete tyrannosaur specimen, ...

It’s the ultimate thought experiment: a human dropped into the Cretaceous world of Tyrannosaurus rex. Could agility, terrain, or intelligence make up for the 15,000 pounds of muscle bearing down at 30 ...

Scientists have unveiled Khankhuuluu, a new Mongolian dinosaur species that predates and closely resembles early Tyrannosaurs. With its long snout, small horns, and lean build, it represents a ...

Some are quick to point out that movies like Jurassic Park may get the appearance of dinosaurs wrong. If so, it is for good reason. Scientists primarily have fossils of bones and teeth to guide their ...