More than 120 years ago, the Yale paleontologist Othniel Charles Marsh described two of the most spectacular horned dinosaurs of all time. The first, named Triceratops in 1889, had three impressive ...

A three-horned dinosaur long known as Torosaurus may actually represent an adult Triceratops, according to paleontologists. The conclusion overturns a century-old belief about Triceratops and ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER — A nearly complete skull and partial ...

In August, some bones were dug up in a construction site in Thornton, and the Denver Museum of Nature and Science determined it was a triceratops fossil. That's the end of that story, right? Well, not ...

The debate continues over how many species of horned dinosaurs existed. A new paper concludes that Triceratops and Torosaurus were different species and not, as previously argued, two different age ...

DENVER (CBS4) - "I think we found a triceratops." That was the assessment from scientists at the Denver Museum of Nature and Science in August when they inspected bones found at a construction site in ...

A construction crew working on a public safety facility in Thornton, Colorado, unexpectedly unearthed a skeleton in August, which they thought belonged to a Triceratops. Though this was in itself a ...

THORNTON, Colo. (CBS4) - Next Saturday will be a special one for people who were fascinated by last year's dinosaur bone excavation in Thornton. The city will be holding a special Movie in the Park ...

BOZEMAN, Mont. -- Research by a Montana State University doctoral student and one of the nation's top paleontologists is upending more than 100 years of thought regarding the dinosaurs known as ...

You may have heard reports that scientists at the Museum of the Rockies decided to punch your childhood in the face by declaring the Triceratops wasn’t a distinct species, but just what a Torosaurus ...

Sure, it’s 66 million years old, but that doesn’t mean it still doesn’t have a few tricks under its sleeve. Back in August, construction crews in Thornton, Colorado unearthed a rare triceratops fossil ...