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

Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type ...

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 fossil site in New Mexico with numerous dinosaurs, including the gargantuan Alamosaurus, dates to shortly before the ...

A new species of dome-headed dinosaur has been discovered in fossils found in Montana, according to researchers. The dinosaur, named Brontotholus harmoni, belongs to the family pachycephalosauridae ...

A new dome-headed dinosaur species was discovered in Montana, a study released this month shows. Researchers discovered the ...