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

While most paleontologists dig up prehistoric bones from the ground, Lida Xing hunts for fossils in the amber markets of Myanmar. In 2015, he made a remarkable find: Trapped in what looked like golden ...

Only one specimen of Alcovasaurus has ever been found, named for the tiny Wyoming town of Alcova, where it was discovered ...

Disney is trying to mask Gertie's missing tail piece at Disney's Hollywood Studios with a couple of random boxes.

A fossilized find that scientists called a once in a lifetime discovery was almost made into jewelry this week. A Chinese paleontologist found the piece of amber that contained a 99-million-year-old ...

Apatosaurus had a 50-foot-long tail. (National Park Service Illustration / Bob Walters / Tess Kissinger) The dinosaur formerly known as Brontosaurus could certainly do a lot of damage with its long ...

(CNN) — Diplodocids were a family of dinosaurs with long necks and, often, even longer tails — some species' tails reached 50 feet in length. They were wide-ranging, but especially flourished in ...