Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Majungasaurus never needed dental work. If it had tooth problems ...

The cast of the skull of Nigersaurus. The fossil skull of Nigersaurus was one of the first dinosaur skulls to be digitally reconstructed from CT scans. Photograph by Ira Block, Nat Geo Image ...

A meat-eating dinosaur that was one of the last to walk Earth replaced its teeth as often as modern sharks do, scientists have discovered. Majungasaurus, which lived between 66 and 70 million years ...

This planet once played host to a massive dinosaur that packed more than 500 teeth into its jaws. That might sound like a terrifying prospect at first, but the creature in question wasn't a vicious ...

Trapped in the enamel of fossilized dinosaur teeth is a fascinating glimpse into the Earth's atmospheric past stretching back 150 million years. A recent study shows that carbon dioxide levels back ...

Dinosaurs may have gone extinct 65 million years ago thanks to a massive asteroid impact, but one of the last species on the planet had something in common with one of today's most fearsome creatures ...

Researchers analyzed the teeth of the earliest dinosaurs to determine what they ate. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It's long ...

At the end of the Cretaceous, the duck-billed hadrosaurs were the most advanced herbivores on Earth. New research has revealed just how voracious these dinosaurs were, with their average tooth worn ...

This dinosaur’s skull was light as air but its mouth was packed with power—and a unique ability to quickly grow teeth. Here’s how Nigersaurus was built for nonstop grazing. The cast of the skull of ...

A newly identified 8-metre-long predatory dinosaur probably waded in water waiting to ambush fish and other aquatic prey with its crocodile-like jaws and its constantly renewing, serrated teeth.