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Researchers trace the first tusks back to ancient mammal relatives that lived before the dinosaurs and shed light on the evolution of mammalian tusks by first defining what makes a tusk a tusk. Most ...

A wide variety of animals have tusks, from elephants and walruses to five-pound, guinea pig-looking critters called hyraxes. But one thing tusked animals have in common is that they’re all mammals-- ...

Because of poaching problems, some wildlife authorities have resorted to removing the horns of rhinos to eliminate the reason they’re poached in the first place. As it turns out, evolution came up ...

Most people picture an elephant when imagining animals with tusks. But many other animals have tusks including warthogs, hippopotamuses, Arctic-dwelling walruses, and even a five-pound, guinea pig ...