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

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

Palaeontologists have argued for decades over whether certain fossils are young Tyrannosaurus rex or another species entirely ...

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

A team of scientists led by Brian J. Pickles from the University of Reading paid attention to a tiny, overlooked clue. They ...

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

Working at a known dinosaur fossil site in Alberta, Canada, the scientists measured lichen colonization in three microfossil ...

Scientists found that specific lichen species act as natural indicators of exposed dinosaur fossils, creating signatures that ...

A discovery deep in the rocky terrain of West Texas is changing what scientists know about dinosaurs that once roamed this ...

Nanotyrannus lethaeus was a fast, agile predator distinct from T. rex, with longer legs, stronger arms and a body built for ...

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

Fossils from New Mexico change how we look at dinosaur history.