The earliest dinosaurs had rapid growth rates, but so did many of the other animals living alongside them, according to a new study. The earliest dinosaurs had rapid growth rates, but so did many of ...

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

In a study published in the Journal of Vertebrate Paleontology, researchers Dr. Giovanna M. X. Paixão and her colleagues analyzed the fossilized remains of three Upper Cretaceous egg clutches. One of ...

The Mesozoic Era, the Age of Dinosaurs, is sometimes also referred to as the Age of Reptiles. Not only were dinosaurs, which were reptiles, all over the continents, but reptiles also ruled the seas.

Ian Cooke became obsessed with dinosaurs as a child. That's not unusual, but the songwriter/musician's new album is. It's all about dinosaurs and the animals of the Mesozoic Era. There's a song ...

Learn about the complicated the history of mammals and their disappearance. In 2003, a fossil belonging to a mammaliaform was discovered in an ancient lakebed in what's now China. It was an almost ...

Herrerasaurus ischigualastensis is an early saurischian dinosaur. It shared a bipedal, running anatomy common to large carnivorous dinosaurs that would evolve in the future, but this dinosaur lived at ...