By physically engineering their environments, megafauna such as dinosaurs curbed fruit seed sizes—a role that now may be ...

It’s an unlikely relationship, but the humble pigeon is a descendant of the group of dinosaurs that also includes the mighty Tyrannosaurus rex. The two species share a remarkable biological past. Our ...

Our brief introduction to dinosaurs reveals a key feature that gave them an advantage over other prehistoric reptiles. Dinosaurs are a group of reptiles that dominated the land for over 140 million ...

The Artstor website will be retired on Aug 1st. The American Naturalist Vol. 34, No. 406, Oct., 1900 Reconsideration of the Evidence for a Co... Reconsideration of the Evidence for a Common ...

Picture this: the next time you see a sparrow hopping along a sidewalk or a hawk soaring across a blue sky, you’re witnessing a living dinosaur. It sounds almost impossible, like something out o ...

If there is a common ancestor, it’s also possible that hollow bones were a relic from the ancestors of these dinosaurs, Windholz says. What may have been useful in saurischians, for example, may have ...

If there is a common ancestor, it's also possible that hollow bones were a relic from the ancestors of these dinosaurs, Windholz says. What may have been useful in saurischians, for example ...

Xu suggests that feather evolution may have gotten started in a common ancestor of pterodactyls and dinosaurs—nearly 240 million years ago, or some 95 million years before Archaeopteryx.