The 22-inch dinosaur lived more than 100 million years ago, and its complete skeleton and preserved feathers are offering new clues about how flight evolved ...

Scientists found a partial dinosaur vertebra inside a geological core sample that measures just 2.5 inches in diameter. Rick Wicker / Denver Museum of Nature and Science For decades, visitors have ...

Theropod dinosaurs are one of the most important large groups of dinosaurs, including well-known predators, such as Tyrannosaurus and Allosaurus, as well as modern birds. A variety of theropods are ...

Add Yahoo as a preferred source to see more of our stories on Google. Sr Principal Preparator Jason Brougham installing Microraptor. The smallest non-avian dinosaurs never reached mouse size, and ...

Dinosaurs may have ruled the prehistoric world with their size and strength, but apparently, they also had moves. A team of researchers in Colorado has uncovered one of the largest known dinosaur ...

Paleontologists at University College Cork (UCC) in Ireland have discovered that some feathered dinosaurs had scaly skin like reptiles today, thus shedding new light on the evolutionary transition ...

Scientists have made a remarkable discovery. Decades-old fossils originally thought to be from an electrosaurus dinosaur have now been found to be a whole new species related to the Tyrannosaurus rex, ...

Here, the skeleton of a Hadrosaur duck-billed dinosaur is displayed in the Royal Ontario Museum in Toronto. Credit: (Wikimedia Commons/Thomas Quine), CC BY Rare tracks from northeastern British ...

・The smallest known non-bird dinosaurs were far larger than the tiniest mammals, birds, and reptiles alive today. ・Energy-based models could not explain this size gap, suggesting competition and other ...