Find out what we’ve learned about how Triceratops lived and why it went extinct. Triceratops’ enormous head might have been all it took to send other dinosaurs running—some recovered skulls ...

Triceratops, whose name means “Three-Horned ... the same protein that human fingernails and hair are made of. The keratinous composition of the nasal horn implies it may have been less robust ...

Triceratops was one of the most common dinosaurs at the end of the Cretaceous Period. Its most prominent features are on its head: two long brow horns, a nasal horn, and a bony frill. Its frill had no ...