Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or ...

A high school student from Cheshire discovered a 150-million-year-old dinosaur bone while working on an expedition out in ...

A Montana fossil reveals that Nanotyrannus, once thought to be a young T. rex, was actually a full-grown predator and it's ...

A tiny, overlooked wrist bone called the pisiform may have played a pivotal role in bird flight and it turns out it evolved far earlier than scientists thought. Fossils from bird-like dinosaurs in ...

An analysis of two theropod dinosaur fossils has shown that they had a type of carpal bone (pisiform) in their wrists—a bone considered important to flight in birds. Subscribe to our newsletter for ...

Debate kicked off in 1988 when a single small tyrannosaur skull discovered four decades earlier was given its own species ...

Scientists have discovered a new dinosaur with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet (7 meters) long and hailed from a mysterious group of dinosaurs ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The Denver Museum of Nature & Science already houses a vast trove of ...

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 ...

Paleontologists have long wrestled with the challenge of identifying the genders of dinosaurs from the fossils they leave ...

Can a skeleton be a storyteller? When it comes to dinosaur bones, the answer is yes — if you know how to listen! Prehistoric fossils are a wealth of critical scientific information. Everything from ...

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 ...