Researchers say the dinosaurs weren’t yet in decline shortly before the extinction event, contradicting previous findings ...

Diagnostic imaging determined that in life, the young mamenchisaurid suffered from an osteogenic tumor, or a tumor that ...

Mosasaurs were some of the most fearsome apex predators to ever stalk the Cretaceous era’s oceans. And according to ...

Gustine High School student Allan Bennison dug up the fossilized remains of a hadrosaurus — a duck-billed dinosaur that lived ...

Long before neighborhoods sprawled across North Texas, ancient seas teemed with formidable marine reptiles. One of those long ...

Over the past two decades, dinosaur fossils has become a prized collection category and it's hampering scientific research.

Imagine a crocodile built like a greyhound—that's a sebecid. Standing tall, with some species reaching 20 feet in length, ...

More than 230 million years ago, long before giant dinosaurs thundered across Earth, a chicken-sized creature walked near the ...

The bones, which Bennison found in Del Puerto Canyon in Stanislaus County, represented the first scientifically documented discovery of a dinosaur fossil in California. About a year later ...