The debate over Nanotyrannus’ identity is finally over. A remarkably preserved fossil proves it was a mature species, not a teenage T. rex. This discovery rewrites how scientists understand ...

Paleontologists have examined an exceptionally well-preserved, near somatically mature tyrannosaur skeleton from the Hell Creek Formation of Montana.

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

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

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

An analysis suggests Nanotyrannus is a separate, smaller dinosaur that lived alongside T. rex, settling a 30-year debate ...

For decades, paleontologists debated whether fossils were of a young T. rex or a species called nanotyrannus. A new study ...

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

As the Saharan sun rose on my waylaid team, one morning in September 2022, it seemed to burn with particular intensity. For nearly three weeks we’d been holed up in a mud-walled compound in the oasis ...