Scientists still debate the purpose of this dinosaur's iconic horns and spiky head plate. Find out what we’ve learned about how Triceratops lived and why it went extinct.

A Triceratops may have been the last dinosaur standing, according to a new study that determined a fossil from Montana's Hell Creek Formation is "the youngest dinosaur known to science." ...

Horridus is a Triceratops horridus skeleton that is also the most complete Triceratops skeleton ever — and it has found its forever home. What remains of this majestic creature from about 67 ...

You may have missed it, but last summer triceratops lovers printed t-shirts to defend their favorite dinosaur. I didn't buy one, but a bunch of people did. And here's why: People who don't know a ...

A reevaluation of the manus structure in Triceratops (Ceratopsia: Ceratopsidae) Journal of Vertebrate Paleontology, 29 (4), 1136-1147 DOI: 10.1671/039.029.0406 Osborn, H.F. 1933. Mounted skeleton ...

The triceratops mount that went on display in 1905 was stooped and awkward. No one had yet found a complete skeleton of this species, so curators used bones from 10 distinct individuals and relied ...

Big John has now suggested that this is more than just a figment of the popular imagination. As its name implies, Big John is a rather large triceratops skeleton, one that originated in the Hell ...

Triceratops lived at the end of the Cretaceous period, between 67 million and 65 million years ago. Once considered solitary, new fossil discoveries indicate it was a social animal that may have ...

Thousands of triceratops fossils have been found around the world, and this year in Colorado paleontologists thought they found another one. It turned out to be something even more exciting.