Dinosaurs

Marine creatures called conodonts used minuscule tooth points to apply large pressure to food

The American West once harbored multiple communities of dinosaurs simultaneously—a revelation that has scientists scrambling to understand how the land could have supported so many behemoths

In honor of Darwin's birthday, we take a look back at diverse species being readied for display at the American Museum of Natural History

Did a giant impact 200 million years ago trigger a mass extinction and pave the way for the dinosaurs?

Limb analysis suggests dinosaurs moved with short, fast strides.

First hard evidence of seasonal dinosaur migration found in dental enamel.

A bone tool embedded in a mastodon rib suggests humans were hunting big game earlier than thought.

Researcher suggests odd arrangement of marine fossils was stockpiled by enormous, tentacled beast.

A maverick aristocrat's ideas about dinosaur evolution turn out to have been decades ahead of their time

Fossils could help to reveal how dino feathers first evolved.

A single large baby suggests that plesiosaurs cared for their young.