dinosaurs
A human typically gives birth after nine months. An ostrich hatchling emerges from its egg after 42 days. But how long did it take for a baby dinosaur to incubate?
A new species of giant sea lizard (mosasaur), discovered in 66-million-year-old rocks of Antarctica, is now the largest known top marine predator from this continent (about 33 feet long).
The researchers say it's possible that dinosaurs had bigger brains than we give them credit for.
Savannasaurus was a medium-sized titanosaur, approximately half the length of a basketball court, with a long neck and a relatively short tail.
Preserved Dinosaur-Era Voice Box Hints at the Sounds Produced by Prehistoric Birds
Scientists have analyzed the structure of a 66 million-year-old vocal organ belonging to an extinct Antarctic bird.
Gigantic Theropod Dinosaurs Had the Fanciest Headwear
Cranial ornaments associated with large body size in theropod suborder.
Dome-Headed Dinosaur had a Doppelgänger
Newly discovered reptiles mimicked the iconic shapes of distant dinosaur relatives.
Dark and Light Coloring Helped This Dinosaur Blend into the Forest
Scientists construct a colorful 3D model of the “parrot lizard” to learn about its environment.