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

Researchers say they have uncovered a case of mistaken identity and found evidence of a species called Nanotyrannus lancensis.

New research challenges long-held theory about dinosaurs before asteroid hit - This finding offers a fresh perspective ver ...

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

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

For many years, paleontologists have debated about whether there was a smaller relative of the Tyrannosaurus rex, or if those smaller fossils were really just awkward teenage versions of the king of ...

A new study reveals that fossils once believed to belong to a teenage Tyrannosaurus rex may actually belong to a separate species ...

The new species is called Nanotyrannus. Compared to the well known tyrannosaurus rex, a nanotyrannus was more speedy and ...

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

Surely a contender for the most bizarre-looking dinosaur of them all is Yi. This small (in size and name) dinosaur from the ...

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