A paleontologist was trying to locate the site of a famous 1908 discovery when a rancher in Wyoming shared an important clue.

What if everything we know about T. rex growth is wrong? A complete tyrannosaur skeleton has just ended one of paleontology's ...

A recent study suggests the unique geology of an area in Wyoming makes it a trove of unusually preserved fossils ...

A 10-year-old girl out on a shoreline stroll on a Wales beach literally stumbled upon five prehistoric dinosaur footprints.

Gov. Josh Stein announced on Thursday the discovery of a new tyrannosaur species, Nanotyrannus, at the North Carolina Museum ...

For decades, paleontologists debated whether fossils were of a young T. rex or a species called nanotyrannus. A new study ...

A new dome-headed dinosaur species was discovered in Montana, a study released this month shows. Researchers discovered the ...

Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of ...

Now, a research team says new evidence resolves the case. The latest clue comes from a complete skeleton — first uncovered in Montana in 2006 — that scientists say identifies the mystery reptile as ...

The skeletons of a duck-billed dinosaur found more than 100 years ago are so well-preserved that they contain fleshy body ...