In tombs 54, 61, and 79, researchers unearthed the skulls of six sheep with modified horns. The horns were removed entirely or pointed backward or parallel and upward. Analysis of the remains ...

Unlike with rams and rhinos, the screamer’s horn doesn’t seem to be a weapon, because it is only loosely attached to the skull and known to snap off once it grows too long. In time ...

Triceratops’ enormous head might have been all it took to send other dinosaurs running—some recovered skulls measure up to 10 feet long. Its head was ornamented with three horns, a short one ...