Millions of years ago, it was one of the most feared apex predators, and most popular in today’s pop culture. Tyrannosaurus rex translates to “tyrant lizard king” for a reason, dominating our view of ...

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 ...

A remarkably complete tyrannosaur specimen, unearthed in the middle of Montana, may finally settle one of the most contentious debates in paleontology and upend our understanding of Tyrannosaurus rex, ...

Two dinosaurs fossilized in combat, originally thought to involve a juvenile Tyrannosaurus rex testing its mettle against a Triceratops, actually feature a separate species frequently confused with ...

For decades, paleontologists debated whether fossils were of a young T. rex or a species called nanotyrannus. A new study settles it: Nanotyrannus is real. A remarkably complete tyrannosaur specimen, ...

A legendary fossil housed at the North Carolina Museum of Natural Sciences in Raleigh features skeletons apparently locked in prehistoric combat — an epic meeting of two of the world’s favorite ...

For decades, paleontologists have debated whether a small tyrannosauroid skull found in 1942 belonged to a juvenile T. rex or was a full-grown member of a previously unknown species, eventually dubbed ...