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

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 ...

At the twilight of the age of dinosaurs, an agile and vicious predator named Nanotyrannus prowled western North America, resembling a smaller version of Tyrannosaurus - about a tenth the body mass - ...

Specifically, whether or not certain fossils found in Montana belonged to a young Tyrannosaurus rex or a completely separate, ...

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 ...

“The fossil, part of the legendary ‘Dueling Dinosaurs’ specimen unearthed in Montana, contains two dinosaurs locked in prehistoric combat: a Triceratops and a small-bodied tyrannosaur. That ...

ROCKFORD, Ill. (WIFR) - A famous dinosaur fossil housed at a Rockford museum for more than two decades has been reclassified ...