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

A new study published by researchers at North Carolina State University claims that many fossils previously believed to be juvenile T. rexes actually belong to a completely different species— ...

A remarkable fossil discovery in Montana may redefine our understanding of Tyrannosaurus rex, revealing that what was once thought to be juvenile T. rex specimens are actually a distinct species ...

Debate kicked off in 1988 when a single small tyrannosaur skull discovered four decades earlier was given its own species ...

A new analysis of a fossil unearthed in 2006 provides a fresh line of evidence that a separate tyrannosaur lineage called Nanotyrannus lived alongside the famous T. rex ...

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 ...

For decades, paleontologists have argued over one mystery: was Nanotyrannus a real species, or just a teenage Tyrannosaurus rex? Now, a new fossil has finally ended the debate—and rewritten the story ...

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 ...

“This is the biggest dinosaur discovery of the decade, and I am proud that it is happening right here in North Carolina,” Stein said, going on to praise the state’s public universities and public ...

The discovery, made in collaboration with North Carolina State University, is based on the “Dueling Dinosaurs” fossil, which was found in the Hell Creek Formation in Montana.

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

Jane, the dinosaur fossil housed at Rockford's Burpee Museum of Natural History, may not be a Tyrannosaurus rex as previously ...