A study of a bizarre prehistoric bird's fossilized remains has uncovered fascinating new details regarding its behavior. Living around 120 million years ago, the species, Longipteryx chaoyangensis, is ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Millions of years ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Some roughly 120-million-year-old seeds are telling a new story ...

think the biggest bird around is an ostrich think again the prehistoric world was home to birds so massive so terrifying they'd make an ostrich look like a pet parakeet ever seen a creature as big as ...

Ever wonder how saber-toothed cats and other extinct creatures behaved? Well, a team of scientists unearthed ancient footprints that offer insight into how various prehistoric animals lived as far ...

Earlier this summer, researchers announced they found fossils that likely come from courting dinosaurs. To find more fossil evidence of prehistoric animals wooing and mating, scientists will have to ...

(CNN) — Millions of years ago, long-legged, big-beaked, meat-eating “terror birds” stalked the Americas. The imposing creatures ruled the roost as top predators ...