Dinosaurs dominated Earth during the Mesozoic Era. But what was the first dinosaur, what did they look like and where did they come from?

This sacral vertebrae feature was usually found in later, more advanced sauropods. But this species also exhibits some distinct features.

A new dinosaur fossil at the Denver Museum of Nature & Science was found buried hundreds of feet under the facility's parking ...

Scientists from Brazil say a recently discovered fossil may help explain how dinosaurs evolved and came to rule the planet. The bones date back to approximately 237 million years ago, making them ...

A new dinosaur species has been revealed that had a bizarre protruding "eyebrow." The beast was uncovered by paleontologists in southwestern Kyrgyzstan, who found two specimens of the theropod ...

Physiological features including unfused neural arches in the caudal vertebrae imply that the dinosaur was a juvenile or subadult when it died.

A nearly complete stegosaurus skeleton sold at a Sotheby's auction in New York on Wednesday for a record $44.6 million -- the most ever paid for a fossil. The dinosaur, nicknamed "Apex" -- which ...

Sacral dimples are singles, while back dimples come in pairs in the lower back area. Learn what they can be signs of, what causes them, and more.

Researchers developed a new estimate of the neck length of Mamenchisaurus, which foraged for foliage more than 150 million years ago in what is now China.

A stegosaurus fossil listed at Sotheby's has officially broken the record for the most expensive fossil ever sold, with a final bid of $44.6 million.

Sacral vertebrae are the bones that make up the sacrum, a part of the spine that connects to the pelvis. This sacral vertebrae feature was usually found in later, more advanced sauropods.

Muller reports that one of the significant features of the great fossil find is the presence of three sacral vertebrae, which is a feature usually observed in more derived forms of silesaurids.