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

"For the first time, we have a complete, detailed picture of a large dinosaur that we are really convinced of." ...

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

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

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

The Nanotyrannus's small skull has been the source of debate among dinosaur experts for at least four decades, according to the paper. Earlier research suggested it belonged to a young T. rex, but ...

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

T. rex's story has been turned on its head by a new discovery about one of the world's most famous fossil finds. One of the ...

Scientists reveal that a 66-million-year-old dinosaur ‘mummy’ was preserved by a clay mask, offering new insights into ...

Wyoming's badlands have yielded two mummified duck-billed dinosaur fossils, revealing the first-ever evidence of hooves in ...

Researchers have unearthed two dinosaur "mummies" in the badlands of Wyoming, confirming duck-billed dinosaurs had hooves, ...

Stunning Edmontosaurus mummies from Wyoming reveal dinosaur hooves and skin in detail. First look at duck-billed giant's true ...