For more than a century, paleontologists have been piecing together how the mysterious predator Andrewsarchus is related to ...

By Will Dunham Feb 10 (Reuters) - Scientists have unearthed in Canada's province of Nova Scotia the skull of a creature ...

The “mesozoic cow” was a dinosaur with hundreds of ever-replacing teeth. Here’s how its uniquely adapted skull allowed it to ...

Herbivorous dinosaurs evolved many times during the 180 million-year Mesozoic era, and while they didn't all evolve to chew, swallow, and digest their food in the same way, a few specific strategies ...