Researchers have dated vertebrae from a massive prehistoric shark thought to have ruled the waves off northern Australia back ...

Dinosaurs are reptiles that lived in what is known as the Mesozoic era, and their bones can be seen in almost every natural ...

The recently acquired skull of the dome-headed dinosaur Pachycephalosaurus. USNM PAL 803273, Department of Paleobiology, Smithsonian Institution. Gift of Eric and Wendy Schmidt. Photo by James D.

Paleontologists counted the record-setting tracks and uncovered evidence of dinosaurs swimming and dragging their tails along ...

Most recently, that includes some fossilized Diplodocus skin that has preserved evidence of melanosomes – specialized ...

New research has overturned decades of uncertainty by showing that Nanotyrannus was a fully grown predator, not a juvenile T. rex.

Scientists have long been trying to reconstruct the appearance of dinosaurs. The tidbits they are able to piece together from ...

Was Nanotyrannus a bona fide species or just a teenage Tyrannosaurus rex with a lot more growing to do? Scientists have settled that debate.

Legend once had it that the huge, three-toed footprints scattered across the central highlands of Bolivia came from supernaturally strong monsters — capable of sinking their claws even into solid rock ...

Dinosaurs weren’t dying out before the asteroid hit—they were thriving in vibrant, diverse habitats across North America. Fossil evidence from New Mexico shows that distinct “bioprovinces” of ...

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 ...

A newly named relative of Iguanodon had a distinctive sail running along its back. While the exact purpose of these structures is debated, the exaggerated backbones of Istiorachis macarthurae could ...