Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of dinosaur that belongs to a distinct genus altogether. The 67 million-year-old ...

The Montana Dinosaur Center paleontologist Andy Rich presented “Story Time with a Paleontologist” on Feb. 19 at the DuPage Children’s Museum. During the special educational program, Rich ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. This fall, paleontologists officially welcomed the Thunderdome to Montana’s rich dinosaur history ...

A fossil on display at Montana State University's Museum of the Rockies reveals how dinosaurs in the Tyrannosaurus genus may have subdued prey, and the specimen is the focus of a new collaborative ...

A rare dinosaur skull will soon go on display at the Smithsonian's National Museum of Natural History, but the fossil will not be on view for long. The near-complete skull of a Pachycephalosaurus, a ...

A newly described Patagonian fossil reveals the evolutionary origins and global spread of the tiny alvarezsaur dinosaurs.

For many years, paleontologists have debated about whether there was a smaller relative of the Tyrannosaurus rex, or if those smaller fossils were really just awkward teenage versions of the king of ...

A few teeth, smaller than a grain of rice, are changing the map of your earliest primate relatives. They come from a creature called Purgatorius, a tiny tree-dwelling mammal that lived about 66 ...