When South Africa’s high court overturned a six-year ban on the domestic sale of rhinoceros horn January 20, it reignited a simmering debate over the best way to save the iconic, and threatened, ...

The dinosaur known as triceratops didn't always have the distinctive triple horns that gave it its name, researchers say; in fact, they've determined, those horns took millions of years to evolve.

About 100 million years ago, Triceratops likely engaged in horn-to-horn battles with its kin, according to a new analysis of the scrapes, bruises and healing fractures preserved on fossils of the ...

Horns are one of nature’s most interesting features on animals. They serve many purposes, such as defense against predators, attracting mates, and marking territory. While some animals have small, ...