About 99 million years ago, an unlucky juvenile dinosaur wandered into a sticky trap and sacrificed a chunk of its tail. That dinosaur's loss was paleontology's gain. Millions of years later ...

In February of 2018, paleontologists discovered the fossil of an unknown species of ankylosaur dinosaur in the Chilean ... this one apparently had a tail a lot like an Aztec sword-club.

A newly identified armored dinosaur that inhabited the Patagonian region of Chile did much the same thing to ward off predators about 74 million years ago with a tail resembling a macuahuitl ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A new species of ...

What color were dinosaurs? Well, at least one of them had a head-to-tail feathered mohawk in a subdued palette of chestnut and white stripes. That is what a team of Chinese and British scientists ...

The ancient arsenal of dinosaur warfare was varied, and now a brand new weapon has been added to the collection. Paleontologists have discovered a new type of ankylosaur with a tail like a battle axe.

Two-legged dinosaurs, like the T-Rex, used to wag their tails according to scientists Scientists have discovered that two-legged dinosaurs, like the T-Rex, wagged their tails when they ran to stay ...

It’s like a scene out of a Flintstones comic. Fred is running a backhoe and drops its shovel right on top of a dinosaur’s tail. It happened in Canada this week when the backhoe laid bare an ...

This illustration shows how Sinosauropteryx would have looked with their orange-and-white striped tails. ((Chuang Zhao and Lida Xing)) A small two-legged dinosaur ... as a crest down the midline ...

Researchers have discovered a perfectly preserved dinosaur tail in a piece of amber in Myanmar. The find could help researchers better figure out how the giant creatures actually looked before ...

Tanklike armored dinosaurs probably pummeled each other — not just predators — with huge, bony knobs attached to the ends of their tails. Thanks to new fossil findings, researchers are getting ...

Apatosaurus had a 50-foot-long tail. (National Park Service Illustration / Bob Walters / Tess Kissinger) The dinosaur formerly known as Brontosaurus could certainly do a lot of damage with its ...