Broken shin bone of a carnivorous dinosaur, showing rings like the rings of a tree. These closely spaced rings were formed annually and indicate a slow-growing, long-lived animal. Credit: Michael D. D ...

The meat-eating dinosaurs known as theropods that roamed the ancient Earth ranged in size from the bus-sized T. rex to the smaller, dog-sized Velociraptor. Scientists puzzling over how such wildly ...

A survey of prehistoric bones reveals that T. rex and some of its cousins had more than one way to reach enormous sizes. Evolution may have preserved that variation in modern animals too.

New University of Maryland research suggests that dinosaur parenting strategy fundamentally reshaped the Mesozoic world, with ...

When Mike Poben, an opal buyer and and fossil fanatic, bought a bucket of opal from an Australian mine, he was surprised to find to find what looked like an ancient tooth in the pile. Later, he also ...

BEIJING — The remains of a giant, birdlike dinosaur as tall as the formidable tyrannosaur have been found in China, a surprising discovery that indicates a more complicated evolutionary process for ...

The island-dwelling dinosaur may have been a dwarf. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. All hail "chief dragon": The oldest ...

Visitors to Leu Gardens might be surprised to see prehistoric creatures lurking behind tropical vegetation as “Dinosaur Invasion” returns to the 50-acre botanical oasis. Of course, these aren’t living ...