In northeastern Brazil, a fossil that had quietly sat in a museum for decades has now rewritten a small part of the history ...

Scientists at the American Museum of Natural History investigated old specimens that had been at the museum for decades and ...

There's more that we don't know about dinosaurs than things that we do, but we're still discovering new things about how they ...

A herd of ceratopsians (Styracosaurus albertensis) accompanied by an ankylosaur (Euplocephalus tutus) walk through an old river channel under the watchful eyes of two tyrannosaurs (Gorgosaurus ...

More than 66 million years ago, Mexico was home to numerous species of dinosaurs, some of them as terrifying as T. rex.

A fresh analysis of a fossil found almost 50 years ago reveals a newly described genus named for its "manipulating claw" ...

On03, Chinese paleontologists discovered the fossil of a dinosaur species with four wings. The 130-million-year-old fossil ...

About 66 million years ago, an asteroid slammed into the planet, wiping out all non-avian dinosaurs and about 70% of all marine species. Between about 120 million and 130 million years ago, during the ...

Paleontologists have discovered a new species of dinosaur that was related to the infamous Tyrannosaurus rex. The dino fossils, two partial skeletons found in Gobi Desert in Mongolia in the 1970s, ...

Fossils found in Chile are from a strange-looking, dog-sized dinosaur species that had a unique slashing tail weapon, scientists reported Wednesday. Some dinosaurs had spiked tails they could use as ...