Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

Ornithischian dinosaurs like Triceratops and Stegosaurs, lacked these air sacs. And as a result most of them weren’t very big. While Triceratops and Stegosaurus grew up to 8 meters long bird ...

Bird-like dinosaurs and birds are smaller still ... Scientists now think the reason dinosaurs were able to grow to such big sizes was down to a combination of characteristics. Read on or watch our ...

It’s fun to imagine secret dinosaur survivors living today, hidden in a remote corner of Earth. But the truth of who made it through the extinction event 66 million years ago may surprise you.

"We see this cascade of changes that happened along the dinosaur to bird transition," Holliday said. "A large part of it hinges upon when birds evolved a relatively large brain. Just like in ...

Still, over the decades researchers who doubted the dinosaur-bird link also made good anatomical ... unlike their Maniraptoran ancestors, have a big toe that juts away from the other toes, which ...

“I built this big family tree that put into context ... can tell you the narrative of how evolution took a dinosaur and turned it into a bird.” “We can also calibrate that tree to time ...