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. Triceratops’ enormous head ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 million to 230 million years ago in the Triassic Period, and went extinct ...

A black-and-white photo being shared online between March and May 2024 showed former U.S. President Theodore Roosevelt standing over a lifeless, last-known triceratops. On May 1, 2024, an X account ...