Horned dinosaurs represent the peak ... “Animals use their heads any way they want to,” Farke says, “and even if a horn is primarily the result of sexual selection, it’s still often ...

A 68-million-year-old Triceratops skull, dubbed "Baby Jane," is set to be auctioned at Christie's annual "exceptional sale" in Paris on November 21. The fossil, discovered in South Dakota in 1998, is ...