The dinosaur known as Big John — one of the largest triceratops fossils ever found – died after fighting with another triceratops, resulting in a severe injury to its heavily armored neck frill that ...

A newly discovered relative of Triceratops had a unique array of head ornaments, including the largest frill horns ever seen on a horned dinosaur. The fossil remains of the dinosaur were found in 2019 ...

MARIBO, Denmark -- A new, giant-horned species of dinosaur was discovered that researchers said is the "largest and most ornate" of its kind ever found, according to a study published Thursday in the ...