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

Paleontologists spotted injuries on the tails of duck-billed dinosaur fossils that might have occurred during mating.

In what might be the coolest solution to "how to find fossils", a new study has revealed how we can take to the skies when ...

Scientists have long debated whether a mysterious dinosaur excavated in the 1940s was a young T. rex or a distinct species.

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

Scientists have discovered a new dinosaur with powerful claws, feasting on an ancient crocodile bone ... In a new study, ...

A small dinosaur skull found in Montana 40 years ago was thought to be a young T. rex. Turns out it was a smaller, faster ...

Nano Tyrannus lancensis was first identified in the 1940s but later largely dismissed by the paleontological community as ...

One of two new plant-eaters found in Utah, the species has shaken up a branch of the dinosaur family tree, a new study says.

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

The skull of Nanotyrannus. Analysis revealed differences from Tyrannosaurus in its nervous system, sinus structure, and a ...

For many years, paleontologists have debated about whether there was a smaller relative of the Tyrannosaurus rex, or if those ...