Dinosaurs liked it rough — and the fossils they left behind prove it. Top paleontologists have discovered that mating between some species of prehistoric behemoths was so violent that they literally ...

When his wife died, the paleontologist Barry James poured his grief into the reconstruction of a triceratops skeleton that they had started together. Barry James works like a dentist removing plaque ...

Until now, estimating how old a dinosaur was when it died has been a fairly simple process — just count up the growth rings in its fossilized bones. "We always thought that those rings were formed ...

NEW YORK (AP) — Scientists have discovered a new dinosaur from Argentina with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet (7 meters) long and hailed from a ...

Whatever happened to the duck-billed dinosaur, it was a real pain in the butt. Many of the spines sitting atop the animal’s tail vertebrae had been fractured. The dinosaur, known as Olorotitan to ...