This story appears in the April 2013 issue of National Geographic magazine. Tusk and Sunset A mammoth’s tusk spikes the Siberian sky on Bolshoy Lyakhovskiy Island. Tusks that are discovered with ...

Phillips confirmed the tusk belonged to a Columbian mammoth, a distant relative of the woolly mammoth. Columbian mammoths ...

A woolly mammoth tusk unearthed in a coal mine where it had been buried for thousands of years has been carefully conserved during an unusual clean-up job. Belonging to the long extinct Ice Age ...