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

Scientists say the earliest long-snouted fossil crocodile, which was around 12 feet long, lived about 80 million years ago.

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

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.

Everything scientists believed about the T-Rex could be wrong after a study proved the existence of its smaller cousin.

For decades, Paranthropus boisei, an early hominin that roamed eastern Africa a million years ago, was known for its gigantic ...

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

Parasites have roamed the Earth for a long time. They were here before the dinosaurs: The oldest fossils are more than 500 ...

Tucked away in a remote bonebed in Arizona's Petrified Forest National Park laid hundreds of fossils, including a fragile jawbone belonging to one of the oldest-known flying reptiles: the pterosaur.

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, ...

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

There are literally decades of research... based on a premise that this article overturns,” said one paleontologist.